18658646

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:684

約数の個数: 24

約数和(自身を含む): 30275784

約数和(自身を除く): 11617138

約数列:

[1, 2, 19, 38, 43, 86, 361, 601, 722, 817, 1202, 1634, 11419, 15523, 22838, 25843, 31046, 51686, 216961, 433922, 491017, 982034, 9329323, 18658646]

約数ペア:

[(1, 18658646), (2, 9329323), (19, 982034), (38, 491017), (43, 433922), (86, 216961), (361, 51686), (601, 31046), (722, 25843), (817, 22838), (1202, 15523), (1634, 11419)]