19642065

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 13452591

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 465, 795, 797, 1643, 2391, 3985, 4929, 8215, 11955, 24645, 24707, 42241, 74121, 123535, 126723, 211205, 370605, 633615, 1309471, 3928413, 6547355, 19642065]

約数ペア:

[(1, 19642065), (3, 6547355), (5, 3928413), (15, 1309471), (31, 633615), (53, 370605), (93, 211205), (155, 126723), (159, 123535), (265, 74121), (465, 42241), (795, 24707), (797, 24645), (1643, 11955), (2391, 8215), (3985, 4929)]