19288857

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1667}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 32025600

約数和(自身を除く): 12736743

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 1667, 3857, 5001, 11571, 11669, 31673, 35007, 48343, 95019, 145029, 221711, 338401, 665133, 918517, 1015203, 2755551, 6429619, 19288857]

約数ペア:

[(1, 19288857), (3, 6429619), (7, 2755551), (19, 1015203), (21, 918517), (29, 665133), (57, 338401), (87, 221711), (133, 145029), (203, 95019), (399, 48343), (551, 35007), (609, 31673), (1653, 11669), (1667, 11571), (3857, 5001)]