18772596

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 49553504

約数和(自身を除く): 30780908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 67, 86, 129, 134, 172, 181, 201, 258, 268, 362, 387, 402, 516, 543, 603, 724, 774, 804, 1086, 1206, 1548, 1629, 2172, 2412, 2881, 3258, 5762, 6516, 7783, 8643, 11524, 12127, 15566, 17286, 23349, 24254, 25929, 31132, 34572, 36381, 46698, 48508, 51858, 70047, 72762, 93396, 103716, 109143, 140094, 145524, 218286, 280188, 436572, 521461, 1042922, 1564383, 2085844, 3128766, 4693149, 6257532, 9386298, 18772596]

約数ペア:

[(1, 18772596), (2, 9386298), (3, 6257532), (4, 4693149), (6, 3128766), (9, 2085844), (12, 1564383), (18, 1042922), (36, 521461), (43, 436572), (67, 280188), (86, 218286), (129, 145524), (134, 140094), (172, 109143), (181, 103716), (201, 93396), (258, 72762), (268, 70047), (362, 51858), (387, 48508), (402, 46698), (516, 36381), (543, 34572), (603, 31132), (724, 25929), (774, 24254), (804, 23349), (1086, 17286), (1206, 15566), (1548, 12127), (1629, 11524), (2172, 8643), (2412, 7783), (2881, 6516), (3258, 5762)]