19883679

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4549}}^1$

素因数の和:4630

約数の個数: 16

約数和(自身を含む): 27955200

約数和(自身を除く): 8071521

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4549, 13647, 141019, 213803, 423057, 641409, 6627893, 19883679]

約数ペア:

[(1, 19883679), (3, 6627893), (31, 641409), (47, 423057), (93, 213803), (141, 141019), (1457, 13647), (4371, 4549)]