19893712

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54059}}^1$

素因数の和:54090

約数の個数: 20

約数和(自身を含む): 40220640

約数和(自身を除く): 20326928

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54059, 108118, 216236, 432472, 864944, 1243357, 2486714, 4973428, 9946856, 19893712]

約数ペア:

[(1, 19893712), (2, 9946856), (4, 4973428), (8, 2486714), (16, 1243357), (23, 864944), (46, 432472), (92, 216236), (184, 108118), (368, 54059)]