13831240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18199}}^1$

素因数の和:18229

約数の個数: 32

約数和(自身を含む): 32760000

約数和(自身を除く): 18928760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 18199, 36398, 72796, 90995, 145592, 181990, 345781, 363980, 691562, 727960, 1383124, 1728905, 2766248, 3457810, 6915620, 13831240]

約数ペア:

[(1, 13831240), (2, 6915620), (4, 3457810), (5, 2766248), (8, 1728905), (10, 1383124), (19, 727960), (20, 691562), (38, 363980), (40, 345781), (76, 181990), (95, 145592), (152, 90995), (190, 72796), (380, 36398), (760, 18199)]