18882620

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1877}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 39753504

約数和(自身を除く): 20870884

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 1877, 2012, 2515, 3754, 5030, 7508, 9385, 10060, 18770, 37540, 944131, 1888262, 3776524, 4720655, 9441310, 18882620]

約数ペア:

[(1, 18882620), (2, 9441310), (4, 4720655), (5, 3776524), (10, 1888262), (20, 944131), (503, 37540), (1006, 18770), (1877, 10060), (2012, 9385), (2515, 7508), (3754, 5030)]