19570070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 39508560

約数和(自身を除く): 19938490

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 179, 290, 358, 377, 754, 841, 895, 1682, 1790, 1885, 2327, 3770, 4205, 4654, 5191, 8410, 10382, 10933, 11635, 21866, 23270, 25955, 51910, 54665, 67483, 109330, 134966, 150539, 301078, 337415, 674830, 752695, 1505390, 1957007, 3914014, 9785035, 19570070]

約数ペア:

[(1, 19570070), (2, 9785035), (5, 3914014), (10, 1957007), (13, 1505390), (26, 752695), (29, 674830), (58, 337415), (65, 301078), (130, 150539), (145, 134966), (179, 109330), (290, 67483), (358, 54665), (377, 51910), (754, 25955), (841, 23270), (895, 21866), (1682, 11635), (1790, 10933), (1885, 10382), (2327, 8410), (3770, 5191), (4205, 4654)]