19894203

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10889}}^1$

素因数の和:10931

約数の個数: 24

約数和(自身を含む): 33976800

約数和(自身を除く): 14082597

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10889, 32667, 76223, 98001, 228669, 315781, 686007, 947343, 2210467, 2842029, 6631401, 19894203]

約数ペア:

[(1, 19894203), (3, 6631401), (7, 2842029), (9, 2210467), (21, 947343), (29, 686007), (63, 315781), (87, 228669), (203, 98001), (261, 76223), (609, 32667), (1827, 10889)]