18513850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:999

約数の個数: 48

約数和(自身を含む): 38086848

約数和(自身を除く): 19572998

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 947, 1150, 1894, 1955, 3910, 4735, 9470, 9775, 16099, 19550, 21781, 23675, 32198, 43562, 47350, 80495, 108905, 160990, 217810, 370277, 402475, 544525, 740554, 804950, 1089050, 1851385, 3702770, 9256925, 18513850]

約数ペア:

[(1, 18513850), (2, 9256925), (5, 3702770), (10, 1851385), (17, 1089050), (23, 804950), (25, 740554), (34, 544525), (46, 402475), (50, 370277), (85, 217810), (115, 160990), (170, 108905), (230, 80495), (391, 47350), (425, 43562), (575, 32198), (782, 23675), (850, 21781), (947, 19550), (1150, 16099), (1894, 9775), (1955, 9470), (3910, 4735)]