19415718

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{691}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 48362496

約数和(自身を除く): 28946778

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223, 446, 669, 691, 1338, 1382, 1561, 2007, 2073, 3122, 4014, 4146, 4683, 4837, 6219, 9366, 9674, 12438, 14049, 14511, 28098, 29022, 43533, 87066, 154093, 308186, 462279, 924558, 1078651, 1386837, 2157302, 2773674, 3235953, 6471906, 9707859, 19415718]

約数ペア:

[(1, 19415718), (2, 9707859), (3, 6471906), (6, 3235953), (7, 2773674), (9, 2157302), (14, 1386837), (18, 1078651), (21, 924558), (42, 462279), (63, 308186), (126, 154093), (223, 87066), (446, 43533), (669, 29022), (691, 28098), (1338, 14511), (1382, 14049), (1561, 12438), (2007, 9674), (2073, 9366), (3122, 6219), (4014, 4837), (4146, 4683)]