18054940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47513}}^1$

素因数の和:47541

約数の個数: 24

約数和(自身を含む): 39911760

約数和(自身を除く): 21856820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47513, 95026, 190052, 237565, 475130, 902747, 950260, 1805494, 3610988, 4513735, 9027470, 18054940]

約数ペア:

[(1, 18054940), (2, 9027470), (4, 4513735), (5, 3610988), (10, 1805494), (19, 950260), (20, 902747), (38, 475130), (76, 237565), (95, 190052), (190, 95026), (380, 47513)]