19159240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15451}}^1$

素因数の和:15493

約数の個数: 32

約数和(自身を含む): 44501760

約数和(自身を除く): 25342520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15451, 30902, 61804, 77255, 123608, 154510, 309020, 478981, 618040, 957962, 1915924, 2394905, 3831848, 4789810, 9579620, 19159240]

約数ペア:

[(1, 19159240), (2, 9579620), (4, 4789810), (5, 3831848), (8, 2394905), (10, 1915924), (20, 957962), (31, 618040), (40, 478981), (62, 309020), (124, 154510), (155, 123608), (248, 77255), (310, 61804), (620, 30902), (1240, 15451)]