18192972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 48984320

約数和(自身を除く): 30791348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 218, 327, 436, 654, 763, 1308, 1526, 1987, 2289, 3052, 3974, 4578, 5961, 7948, 9156, 11922, 13909, 23844, 27818, 41727, 55636, 83454, 166908, 216583, 433166, 649749, 866332, 1299498, 1516081, 2598996, 3032162, 4548243, 6064324, 9096486, 18192972]

約数ペア:

[(1, 18192972), (2, 9096486), (3, 6064324), (4, 4548243), (6, 3032162), (7, 2598996), (12, 1516081), (14, 1299498), (21, 866332), (28, 649749), (42, 433166), (84, 216583), (109, 166908), (218, 83454), (327, 55636), (436, 41727), (654, 27818), (763, 23844), (1308, 13909), (1526, 11922), (1987, 9156), (2289, 7948), (3052, 5961), (3974, 4578)]