18438740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{48523}}^1$

素因数の和:48551

約数の個数: 24

約数和(自身を含む): 40760160

約数和(自身を除く): 22321420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 48523, 97046, 194092, 242615, 485230, 921937, 970460, 1843874, 3687748, 4609685, 9219370, 18438740]

約数ペア:

[(1, 18438740), (2, 9219370), (4, 4609685), (5, 3687748), (10, 1843874), (19, 970460), (20, 921937), (38, 485230), (76, 242615), (95, 194092), (190, 97046), (380, 48523)]