18974410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:775

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24571190

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 719, 754, 910, 1015, 1438, 1885, 2030, 2639, 3595, 3770, 5033, 5278, 7190, 9347, 10066, 13195, 18694, 20851, 25165, 26390, 41702, 46735, 50330, 65429, 93470, 104255, 130858, 145957, 208510, 271063, 291914, 327145, 542126, 654290, 729785, 1355315, 1459570, 1897441, 2710630, 3794882, 9487205, 18974410]

約数ペア:

[(1, 18974410), (2, 9487205), (5, 3794882), (7, 2710630), (10, 1897441), (13, 1459570), (14, 1355315), (26, 729785), (29, 654290), (35, 542126), (58, 327145), (65, 291914), (70, 271063), (91, 208510), (130, 145957), (145, 130858), (182, 104255), (203, 93470), (290, 65429), (377, 50330), (406, 46735), (455, 41702), (719, 26390), (754, 25165), (910, 20851), (1015, 18694), (1438, 13195), (1885, 10066), (2030, 9347), (2639, 7190), (3595, 5278), (3770, 5033)]