19812276

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 60540480

約数和(自身を除く): 40728204

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 27, 33, 34, 36, 44, 51, 54, 66, 68, 81, 99, 102, 108, 109, 132, 153, 162, 187, 198, 204, 218, 243, 297, 306, 324, 327, 374, 396, 436, 459, 486, 561, 594, 612, 654, 748, 891, 918, 972, 981, 1122, 1188, 1199, 1308, 1377, 1683, 1782, 1836, 1853, 1962, 2244, 2398, 2673, 2754, 2943, 3366, 3564, 3597, 3706, 3924, 4131, 4796, 5049, 5346, 5508, 5559, 5886, 6732, 7194, 7412, 8262, 8829, 10098, 10692, 10791, 11118, 11772, 14388, 15147, 16524, 16677, 17658, 20196, 20383, 21582, 22236, 26487, 30294, 32373, 33354, 35316, 40766, 43164, 45441, 50031, 52974, 60588, 61149, 64746, 66708, 81532, 90882, 97119, 100062, 105948, 122298, 129492, 150093, 181764, 183447, 194238, 200124, 244596, 291357, 300186, 366894, 388476, 450279, 550341, 582714, 600372, 733788, 900558, 1100682, 1165428, 1651023, 1801116, 2201364, 3302046, 4953069, 6604092, 9906138, 19812276]

約数ペア:

[(1, 19812276), (2, 9906138), (3, 6604092), (4, 4953069), (6, 3302046), (9, 2201364), (11, 1801116), (12, 1651023), (17, 1165428), (18, 1100682), (22, 900558), (27, 733788), (33, 600372), (34, 582714), (36, 550341), (44, 450279), (51, 388476), (54, 366894), (66, 300186), (68, 291357), (81, 244596), (99, 200124), (102, 194238), (108, 183447), (109, 181764), (132, 150093), (153, 129492), (162, 122298), (187, 105948), (198, 100062), (204, 97119), (218, 90882), (243, 81532), (297, 66708), (306, 64746), (324, 61149), (327, 60588), (374, 52974), (396, 50031), (436, 45441), (459, 43164), (486, 40766), (561, 35316), (594, 33354), (612, 32373), (654, 30294), (748, 26487), (891, 22236), (918, 21582), (972, 20383), (981, 20196), (1122, 17658), (1188, 16677), (1199, 16524), (1308, 15147), (1377, 14388), (1683, 11772), (1782, 11118), (1836, 10791), (1853, 10692), (1962, 10098), (2244, 8829), (2398, 8262), (2673, 7412), (2754, 7194), (2943, 6732), (3366, 5886), (3564, 5559), (3597, 5508), (3706, 5346), (3924, 5049), (4131, 4796)]