18129850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5107}}^1$

素因数の和:5190

約数の個数: 24

約数和(自身を含む): 34203168

約数和(自身を除く): 16073318

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5107, 10214, 25535, 51070, 127675, 255350, 362597, 725194, 1812985, 3625970, 9064925, 18129850]

約数ペア:

[(1, 18129850), (2, 9064925), (5, 3625970), (10, 1812985), (25, 725194), (50, 362597), (71, 255350), (142, 127675), (355, 51070), (710, 25535), (1775, 10214), (3550, 5107)]