18241405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{853}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 27546624

約数和(自身を除く): 9305219

約数列:

[1, 5, 7, 13, 35, 47, 65, 91, 235, 329, 455, 611, 853, 1645, 3055, 4265, 4277, 5971, 11089, 21385, 29855, 40091, 55445, 77623, 200455, 280637, 388115, 521183, 1403185, 2605915, 3648281, 18241405]

約数ペア:

[(1, 18241405), (5, 3648281), (7, 2605915), (13, 1403185), (35, 521183), (47, 388115), (65, 280637), (91, 200455), (235, 77623), (329, 55445), (455, 40091), (611, 29855), (853, 21385), (1645, 11089), (3055, 5971), (4265, 4277)]