17979445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 25069824

約数和(自身を除く): 7090379

約数列:

[1, 5, 11, 23, 55, 61, 115, 233, 253, 305, 671, 1165, 1265, 1403, 2563, 3355, 5359, 7015, 12815, 14213, 15433, 26795, 58949, 71065, 77165, 156343, 294745, 326899, 781715, 1634495, 3595889, 17979445]

約数ペア:

[(1, 17979445), (5, 3595889), (11, 1634495), (23, 781715), (55, 326899), (61, 294745), (115, 156343), (233, 77165), (253, 71065), (305, 58949), (671, 26795), (1165, 15433), (1265, 14213), (1403, 12815), (2563, 7015), (3355, 5359)]