18423761780

素因数分解:

$2^2\times 5^1\times {\mathrm{4723}}^1\times {\mathrm{195043}}^1$

素因数の和:199775

約数の個数: 24

約数和(自身を含む): 38698289952

約数和(自身を除く): 20274528172

約数列:

[1, 2, 4, 5, 10, 20, 4723, 9446, 18892, 23615, 47230, 94460, 195043, 390086, 780172, 975215, 1950430, 3900860, 921188089, 1842376178, 3684752356, 4605940445, 9211880890, 18423761780]

約数ペア:

[(1, 18423761780), (2, 9211880890), (4, 4605940445), (5, 3684752356), (10, 1842376178), (20, 921188089), (4723, 3900860), (9446, 1950430), (18892, 975215), (23615, 780172), (47230, 390086), (94460, 195043)]