19118566

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12400154

約数列:

[1, 2, 23, 37, 46, 47, 74, 94, 239, 478, 851, 1081, 1702, 1739, 2162, 3478, 5497, 8843, 10994, 11233, 17686, 22466, 39997, 79994, 203389, 258359, 406778, 415621, 516718, 831242, 9559283, 19118566]

約数ペア:

[(1, 19118566), (2, 9559283), (23, 831242), (37, 516718), (46, 415621), (47, 406778), (74, 258359), (94, 203389), (239, 79994), (478, 39997), (851, 22466), (1081, 17686), (1702, 11233), (1739, 10994), (2162, 8843), (3478, 5497)]