19682884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4253}}^1$

素因数の和:4359

約数の個数: 24

約数和(自身を含む): 37520280

約数和(自身を除く): 17837396

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4253, 4628, 8506, 17012, 55289, 110578, 221156, 378517, 757034, 1514068, 4920721, 9841442, 19682884]

約数ペア:

[(1, 19682884), (2, 9841442), (4, 4920721), (13, 1514068), (26, 757034), (52, 378517), (89, 221156), (178, 110578), (356, 55289), (1157, 17012), (2314, 8506), (4253, 4628)]