18405970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1123}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 36417600

約数和(自身を除く): 18011630

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1123, 1490, 1639, 2246, 3278, 5615, 8195, 11230, 12353, 16390, 24706, 61765, 123530, 167327, 334654, 836635, 1673270, 1840597, 3681194, 9202985, 18405970]

約数ペア:

[(1, 18405970), (2, 9202985), (5, 3681194), (10, 1840597), (11, 1673270), (22, 836635), (55, 334654), (110, 167327), (149, 123530), (298, 61765), (745, 24706), (1123, 16390), (1490, 12353), (1639, 11230), (2246, 8195), (3278, 5615)]