18227380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29399}}^1$

素因数の和:29439

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 21286220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 29399, 58798, 117596, 146995, 293990, 587980, 911369, 1822738, 3645476, 4556845, 9113690, 18227380]

約数ペア:

[(1, 18227380), (2, 9113690), (4, 4556845), (5, 3645476), (10, 1822738), (20, 911369), (31, 587980), (62, 293990), (124, 146995), (155, 117596), (310, 58798), (620, 29399)]