18497584

素因数分解:

$2^4\times 7^1\times {\mathrm{317}}^1\times {\mathrm{521}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 41167008

約数和(自身を除く): 22669424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 317, 521, 634, 1042, 1268, 2084, 2219, 2536, 3647, 4168, 4438, 5072, 7294, 8336, 8876, 14588, 17752, 29176, 35504, 58352, 165157, 330314, 660628, 1156099, 1321256, 2312198, 2642512, 4624396, 9248792, 18497584]

約数ペア:

[(1, 18497584), (2, 9248792), (4, 4624396), (7, 2642512), (8, 2312198), (14, 1321256), (16, 1156099), (28, 660628), (56, 330314), (112, 165157), (317, 58352), (521, 35504), (634, 29176), (1042, 17752), (1268, 14588), (2084, 8876), (2219, 8336), (2536, 7294), (3647, 5072), (4168, 4438)]