19754528

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{32491}}^1$

素因数の和:32520

約数の個数: 24

約数和(自身を含む): 40939920

約数和(自身を除く): 21185392

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 32491, 64982, 129964, 259928, 519856, 617329, 1039712, 1234658, 2469316, 4938632, 9877264, 19754528]

約数ペア:

[(1, 19754528), (2, 9877264), (4, 4938632), (8, 2469316), (16, 1234658), (19, 1039712), (32, 617329), (38, 519856), (76, 259928), (152, 129964), (304, 64982), (608, 32491)]