18485790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 47056896

約数和(自身を除く): 28571106

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 73, 115, 138, 146, 219, 230, 345, 365, 367, 438, 690, 730, 734, 1095, 1101, 1679, 1835, 2190, 2202, 3358, 3670, 5037, 5505, 8395, 8441, 10074, 11010, 16790, 16882, 25185, 25323, 26791, 42205, 50370, 50646, 53582, 80373, 84410, 126615, 133955, 160746, 253230, 267910, 401865, 616193, 803730, 1232386, 1848579, 3080965, 3697158, 6161930, 9242895, 18485790]

約数ペア:

[(1, 18485790), (2, 9242895), (3, 6161930), (5, 3697158), (6, 3080965), (10, 1848579), (15, 1232386), (23, 803730), (30, 616193), (46, 401865), (69, 267910), (73, 253230), (115, 160746), (138, 133955), (146, 126615), (219, 84410), (230, 80373), (345, 53582), (365, 50646), (367, 50370), (438, 42205), (690, 26791), (730, 25323), (734, 25185), (1095, 16882), (1101, 16790), (1679, 11010), (1835, 10074), (2190, 8441), (2202, 8395), (3358, 5505), (3670, 5037)]