1898228816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{19157}}^1$

素因数の和:19739

約数の個数: 40

約数和(自身を含む): 4019501664

約数和(自身を除く): 2121272848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 563, 1126, 2252, 4504, 6193, 9008, 12386, 19157, 24772, 38314, 49544, 76628, 99088, 153256, 210727, 306512, 421454, 842908, 1685816, 3371632, 10785391, 21570782, 43141564, 86283128, 118639301, 172566256, 237278602, 474557204, 949114408, 1898228816]

約数ペア:

[(1, 1898228816), (2, 949114408), (4, 474557204), (8, 237278602), (11, 172566256), (16, 118639301), (22, 86283128), (44, 43141564), (88, 21570782), (176, 10785391), (563, 3371632), (1126, 1685816), (2252, 842908), (4504, 421454), (6193, 306512), (9008, 210727), (12386, 153256), (19157, 99088), (24772, 76628), (38314, 49544)]