18907668

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{67}}^2$

素因数の和:163

約数の個数: 90

約数和(自身を含む): 54036906

約数和(自身を除く): 35129238

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 67, 78, 81, 108, 117, 134, 156, 162, 201, 234, 268, 324, 351, 402, 468, 603, 702, 804, 871, 1053, 1206, 1404, 1742, 1809, 2106, 2412, 2613, 3484, 3618, 4212, 4489, 5226, 5427, 7236, 7839, 8978, 10452, 10854, 13467, 15678, 17956, 21708, 23517, 26934, 31356, 40401, 47034, 53868, 58357, 70551, 80802, 94068, 116714, 121203, 141102, 161604, 175071, 233428, 242406, 282204, 350142, 363609, 484812, 525213, 700284, 727218, 1050426, 1454436, 1575639, 2100852, 3151278, 4726917, 6302556, 9453834, 18907668]

約数ペア:

[(1, 18907668), (2, 9453834), (3, 6302556), (4, 4726917), (6, 3151278), (9, 2100852), (12, 1575639), (13, 1454436), (18, 1050426), (26, 727218), (27, 700284), (36, 525213), (39, 484812), (52, 363609), (54, 350142), (67, 282204), (78, 242406), (81, 233428), (108, 175071), (117, 161604), (134, 141102), (156, 121203), (162, 116714), (201, 94068), (234, 80802), (268, 70551), (324, 58357), (351, 53868), (402, 47034), (468, 40401), (603, 31356), (702, 26934), (804, 23517), (871, 21708), (1053, 17956), (1206, 15678), (1404, 13467), (1742, 10854), (1809, 10452), (2106, 8978), (2412, 7839), (2613, 7236), (3484, 5427), (3618, 5226), (4212, 4489)]