19718928

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3701}}^1$

素因数の和:3752

約数の個数: 60

約数和(自身を含む): 56692428

約数和(自身を除く): 36973500

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3701, 5328, 7402, 11103, 14804, 22206, 29608, 33309, 44412, 59216, 66618, 88824, 133236, 136937, 177648, 266472, 273874, 410811, 532944, 547748, 821622, 1095496, 1232433, 1643244, 2190992, 2464866, 3286488, 4929732, 6572976, 9859464, 19718928]

約数ペア:

[(1, 19718928), (2, 9859464), (3, 6572976), (4, 4929732), (6, 3286488), (8, 2464866), (9, 2190992), (12, 1643244), (16, 1232433), (18, 1095496), (24, 821622), (36, 547748), (37, 532944), (48, 410811), (72, 273874), (74, 266472), (111, 177648), (144, 136937), (148, 133236), (222, 88824), (296, 66618), (333, 59216), (444, 44412), (592, 33309), (666, 29608), (888, 22206), (1332, 14804), (1776, 11103), (2664, 7402), (3701, 5328)]