18416450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1031

約数の個数: 48

約数和(自身を含む): 38200680

約数和(自身を除く): 19784230

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 725, 754, 977, 1450, 1885, 1954, 3770, 4885, 9425, 9770, 12701, 18850, 24425, 25402, 28333, 48850, 56666, 63505, 127010, 141665, 283330, 317525, 368329, 635050, 708325, 736658, 1416650, 1841645, 3683290, 9208225, 18416450]

約数ペア:

[(1, 18416450), (2, 9208225), (5, 3683290), (10, 1841645), (13, 1416650), (25, 736658), (26, 708325), (29, 635050), (50, 368329), (58, 317525), (65, 283330), (130, 141665), (145, 127010), (290, 63505), (325, 56666), (377, 48850), (650, 28333), (725, 25402), (754, 24425), (977, 18850), (1450, 12701), (1885, 9770), (1954, 9425), (3770, 4885)]