18468684

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 55444480

約数和(自身を除く): 36975796

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 31, 36, 38, 39, 52, 57, 62, 67, 76, 78, 93, 114, 117, 124, 134, 156, 171, 186, 201, 228, 234, 247, 268, 279, 342, 372, 402, 403, 468, 494, 558, 589, 603, 684, 741, 804, 806, 871, 988, 1116, 1178, 1206, 1209, 1273, 1482, 1612, 1742, 1767, 2077, 2223, 2356, 2412, 2418, 2546, 2613, 2964, 3484, 3534, 3627, 3819, 4154, 4446, 4836, 5092, 5226, 5301, 6231, 7068, 7254, 7638, 7657, 7839, 8308, 8892, 10452, 10602, 11457, 12462, 14508, 15276, 15314, 15678, 16549, 18693, 21204, 22914, 22971, 24924, 27001, 30628, 31356, 33098, 37386, 39463, 45828, 45942, 49647, 54002, 66196, 68913, 74772, 78926, 81003, 91884, 99294, 108004, 118389, 137826, 148941, 157852, 162006, 198588, 236778, 243009, 275652, 297882, 324012, 355167, 473556, 486018, 513019, 595764, 710334, 972036, 1026038, 1420668, 1539057, 2052076, 3078114, 4617171, 6156228, 9234342, 18468684]

約数ペア:

[(1, 18468684), (2, 9234342), (3, 6156228), (4, 4617171), (6, 3078114), (9, 2052076), (12, 1539057), (13, 1420668), (18, 1026038), (19, 972036), (26, 710334), (31, 595764), (36, 513019), (38, 486018), (39, 473556), (52, 355167), (57, 324012), (62, 297882), (67, 275652), (76, 243009), (78, 236778), (93, 198588), (114, 162006), (117, 157852), (124, 148941), (134, 137826), (156, 118389), (171, 108004), (186, 99294), (201, 91884), (228, 81003), (234, 78926), (247, 74772), (268, 68913), (279, 66196), (342, 54002), (372, 49647), (402, 45942), (403, 45828), (468, 39463), (494, 37386), (558, 33098), (589, 31356), (603, 30628), (684, 27001), (741, 24924), (804, 22971), (806, 22914), (871, 21204), (988, 18693), (1116, 16549), (1178, 15678), (1206, 15314), (1209, 15276), (1273, 14508), (1482, 12462), (1612, 11457), (1742, 10602), (1767, 10452), (2077, 8892), (2223, 8308), (2356, 7839), (2412, 7657), (2418, 7638), (2546, 7254), (2613, 7068), (2964, 6231), (3484, 5301), (3534, 5226), (3627, 5092), (3819, 4836), (4154, 4446)]