18922431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10107969

約数列:

[1, 3, 11, 31, 33, 53, 93, 159, 341, 349, 583, 1023, 1047, 1643, 1749, 3839, 4929, 10819, 11517, 18073, 18497, 32457, 54219, 55491, 119009, 203467, 357027, 573407, 610401, 1720221, 6307477, 18922431]

約数ペア:

[(1, 18922431), (3, 6307477), (11, 1720221), (31, 610401), (33, 573407), (53, 357027), (93, 203467), (159, 119009), (341, 55491), (349, 54219), (583, 32457), (1023, 18497), (1047, 18073), (1643, 11517), (1749, 10819), (3839, 4929)]