19958908047

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3434677}}^1$

素因数の和:3434842

約数の個数: 16

約数和(自身を含む): 28851295200

約数和(自身を除く): 8892387153

約数列:

[1, 3, 13, 39, 149, 447, 1937, 5811, 3434677, 10304031, 44650801, 133952403, 511766873, 1535300619, 6652969349, 19958908047]

約数ペア:

[(1, 19958908047), (3, 6652969349), (13, 1535300619), (39, 511766873), (149, 133952403), (447, 44650801), (1937, 10304031), (5811, 3434677)]