19954390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1091}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17785130

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 295, 310, 590, 1091, 1829, 2182, 3658, 5455, 9145, 10910, 18290, 33821, 64369, 67642, 128738, 169105, 321845, 338210, 643690, 1995439, 3990878, 9977195, 19954390]

約数ペア:

[(1, 19954390), (2, 9977195), (5, 3990878), (10, 1995439), (31, 643690), (59, 338210), (62, 321845), (118, 169105), (155, 128738), (295, 67642), (310, 64369), (590, 33821), (1091, 18290), (1829, 10910), (2182, 9145), (3658, 5455)]