19888218

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{22549}}^1$

素因数の和:22571

約数の個数: 36

約数和(自身を含む): 50128650

約数和(自身を除く): 30240432

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 22549, 45098, 67647, 135294, 157843, 202941, 315686, 405882, 473529, 947058, 1104901, 1420587, 2209802, 2841174, 3314703, 6629406, 9944109, 19888218]

約数ペア:

[(1, 19888218), (2, 9944109), (3, 6629406), (6, 3314703), (7, 2841174), (9, 2209802), (14, 1420587), (18, 1104901), (21, 947058), (42, 473529), (49, 405882), (63, 315686), (98, 202941), (126, 157843), (147, 135294), (294, 67647), (441, 45098), (882, 22549)]