18691388

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{491}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 33944064

約数和(自身を除く): 15252676

約数列:

[1, 2, 4, 31, 62, 124, 307, 491, 614, 982, 1228, 1964, 9517, 15221, 19034, 30442, 38068, 60884, 150737, 301474, 602948, 4672847, 9345694, 18691388]

約数ペア:

[(1, 18691388), (2, 9345694), (4, 4672847), (31, 602948), (62, 301474), (124, 150737), (307, 60884), (491, 38068), (614, 30442), (982, 19034), (1228, 15221), (1964, 9517)]