18453940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48563}}^1$

素因数の和:48591

約数の個数: 24

約数和(自身を含む): 40793760

約数和(自身を除く): 22339820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48563, 97126, 194252, 242815, 485630, 922697, 971260, 1845394, 3690788, 4613485, 9226970, 18453940]

約数ペア:

[(1, 18453940), (2, 9226970), (4, 4613485), (5, 3690788), (10, 1845394), (19, 971260), (20, 922697), (38, 485630), (76, 242815), (95, 194252), (190, 97126), (380, 48563)]