18967664

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{4919}}^1$

素因数の和:5168

約数の個数: 20

約数和(自身を含む): 36909840

約数和(自身を除く): 17942176

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 4919, 9838, 19676, 39352, 78704, 1185479, 2370958, 4741916, 9483832, 18967664]

約数ペア:

[(1, 18967664), (2, 9483832), (4, 4741916), (8, 2370958), (16, 1185479), (241, 78704), (482, 39352), (964, 19676), (1928, 9838), (3856, 4919)]