18789712

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{51059}}^1$

素因数の和:51090

約数の個数: 20

約数和(自身を含む): 37988640

約数和(自身を除く): 19198928

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 51059, 102118, 204236, 408472, 816944, 1174357, 2348714, 4697428, 9394856, 18789712]

約数ペア:

[(1, 18789712), (2, 9394856), (4, 4697428), (8, 2348714), (16, 1174357), (23, 816944), (46, 408472), (92, 204236), (184, 102118), (368, 51059)]