18780454

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{121951}}^1$

素因数の和:121971

約数の個数: 16

約数和(自身を含む): 35122176

約数和(自身を除く): 16341722

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 121951, 243902, 853657, 1341461, 1707314, 2682922, 9390227, 18780454]

約数ペア:

[(1, 18780454), (2, 9390227), (7, 2682922), (11, 1707314), (14, 1341461), (22, 853657), (77, 243902), (154, 121951)]