19981433646

素因数分解:

$2^1\times 3^9\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:300

約数の個数: 160

約数和(自身を含む): 46853170848

約数和(自身を除く): 26871737202

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 61, 81, 106, 122, 157, 159, 162, 183, 243, 314, 318, 366, 471, 477, 486, 549, 729, 942, 954, 1098, 1413, 1431, 1458, 1647, 2187, 2826, 2862, 3233, 3294, 4239, 4293, 4374, 4941, 6466, 6561, 8321, 8478, 8586, 9577, 9699, 9882, 12717, 12879, 13122, 14823, 16642, 19154, 19398, 19683, 24963, 25434, 25758, 28731, 29097, 29646, 38151, 38637, 39366, 44469, 49926, 57462, 58194, 74889, 76302, 77274, 86193, 87291, 88938, 114453, 115911, 133407, 149778, 172386, 174582, 224667, 228906, 231822, 258579, 261873, 266814, 343359, 347733, 400221, 449334, 507581, 517158, 523746, 674001, 686718, 695466, 775737, 785619, 800442, 1015162, 1030077, 1043199, 1200663, 1348002, 1522743, 1551474, 1571238, 2022003, 2060154, 2086398, 2327211, 2356857, 2401326, 3045486, 3090231, 4044006, 4568229, 4654422, 4713714, 6066009, 6180462, 6981633, 7070571, 9136458, 12132018, 13704687, 13963266, 14141142, 18198027, 20944899, 21211713, 27409374, 36396054, 41114061, 41889798, 42423426, 54594081, 62834697, 63635139, 82228122, 109188162, 123342183, 125669394, 127270278, 163782243, 188504091, 246684366, 327564486, 370026549, 377008182, 740053098, 1110079647, 2220159294, 3330238941, 6660477882, 9990716823, 19981433646]

約数ペア:

[(1, 19981433646), (2, 9990716823), (3, 6660477882), (6, 3330238941), (9, 2220159294), (18, 1110079647), (27, 740053098), (53, 377008182), (54, 370026549), (61, 327564486), (81, 246684366), (106, 188504091), (122, 163782243), (157, 127270278), (159, 125669394), (162, 123342183), (183, 109188162), (243, 82228122), (314, 63635139), (318, 62834697), (366, 54594081), (471, 42423426), (477, 41889798), (486, 41114061), (549, 36396054), (729, 27409374), (942, 21211713), (954, 20944899), (1098, 18198027), (1413, 14141142), (1431, 13963266), (1458, 13704687), (1647, 12132018), (2187, 9136458), (2826, 7070571), (2862, 6981633), (3233, 6180462), (3294, 6066009), (4239, 4713714), (4293, 4654422), (4374, 4568229), (4941, 4044006), (6466, 3090231), (6561, 3045486), (8321, 2401326), (8478, 2356857), (8586, 2327211), (9577, 2086398), (9699, 2060154), (9882, 2022003), (12717, 1571238), (12879, 1551474), (13122, 1522743), (14823, 1348002), (16642, 1200663), (19154, 1043199), (19398, 1030077), (19683, 1015162), (24963, 800442), (25434, 785619), (25758, 775737), (28731, 695466), (29097, 686718), (29646, 674001), (38151, 523746), (38637, 517158), (39366, 507581), (44469, 449334), (49926, 400221), (57462, 347733), (58194, 343359), (74889, 266814), (76302, 261873), (77274, 258579), (86193, 231822), (87291, 228906), (88938, 224667), (114453, 174582), (115911, 172386), (133407, 149778)]