19895970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4451}}^1$

素因数の和:4610

約数の個数: 32

約数和(自身を含む): 48081600

約数和(自身を除く): 28185630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 149, 298, 447, 745, 894, 1490, 2235, 4451, 4470, 8902, 13353, 22255, 26706, 44510, 66765, 133530, 663199, 1326398, 1989597, 3315995, 3979194, 6631990, 9947985, 19895970]

約数ペア:

[(1, 19895970), (2, 9947985), (3, 6631990), (5, 3979194), (6, 3315995), (10, 1989597), (15, 1326398), (30, 663199), (149, 133530), (298, 66765), (447, 44510), (745, 26706), (894, 22255), (1490, 13353), (2235, 8902), (4451, 4470)]