19695156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 49824768

約数和(自身を除く): 30129612

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 191, 382, 573, 661, 764, 1146, 1322, 1983, 2292, 2483, 2644, 3966, 4966, 7449, 7932, 8593, 9932, 14898, 17186, 25779, 29796, 34372, 51558, 103116, 126251, 252502, 378753, 505004, 757506, 1515012, 1641263, 3282526, 4923789, 6565052, 9847578, 19695156]

約数ペア:

[(1, 19695156), (2, 9847578), (3, 6565052), (4, 4923789), (6, 3282526), (12, 1641263), (13, 1515012), (26, 757506), (39, 505004), (52, 378753), (78, 252502), (156, 126251), (191, 103116), (382, 51558), (573, 34372), (661, 29796), (764, 25779), (1146, 17186), (1322, 14898), (1983, 9932), (2292, 8593), (2483, 7932), (2644, 7449), (3966, 4966)]