18859700

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{1669}}^1$

素因数の和:1796

約数の個数: 36

約数和(自身を含む): 41312460

約数和(自身を除く): 22452760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 1669, 2260, 2825, 3338, 5650, 6676, 8345, 11300, 16690, 33380, 41725, 83450, 166900, 188597, 377194, 754388, 942985, 1885970, 3771940, 4714925, 9429850, 18859700]

約数ペア:

[(1, 18859700), (2, 9429850), (4, 4714925), (5, 3771940), (10, 1885970), (20, 942985), (25, 754388), (50, 377194), (100, 188597), (113, 166900), (226, 83450), (452, 41725), (565, 33380), (1130, 16690), (1669, 11300), (2260, 8345), (2825, 6676), (3338, 5650)]