18888460

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{991}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 39747456

約数和(自身を除く): 20858996

約数列:

[1, 2, 4, 5, 10, 20, 953, 991, 1906, 1982, 3812, 3964, 4765, 4955, 9530, 9910, 19060, 19820, 944423, 1888846, 3777692, 4722115, 9444230, 18888460]

約数ペア:

[(1, 18888460), (2, 9444230), (4, 4722115), (5, 3777692), (10, 1888846), (20, 944423), (953, 19820), (991, 19060), (1906, 9910), (1982, 9530), (3812, 4955), (3964, 4765)]