18696535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 26772480

約数和(自身を除く): 8075945

約数列:

[1, 5, 11, 13, 55, 65, 79, 143, 331, 395, 715, 869, 1027, 1655, 3641, 4303, 4345, 5135, 11297, 18205, 21515, 26149, 47333, 56485, 130745, 236665, 287639, 339937, 1438195, 1699685, 3739307, 18696535]

約数ペア:

[(1, 18696535), (5, 3739307), (11, 1699685), (13, 1438195), (55, 339937), (65, 287639), (79, 236665), (143, 130745), (331, 56485), (395, 47333), (715, 26149), (869, 21515), (1027, 18205), (1655, 11297), (3641, 5135), (4303, 4345)]