18449380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1033}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 41690880

約数和(自身を除く): 23241500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1033, 1786, 2066, 3572, 4132, 4465, 5165, 8930, 10330, 17860, 19627, 20660, 39254, 48551, 78508, 97102, 98135, 194204, 196270, 242755, 392540, 485510, 922469, 971020, 1844938, 3689876, 4612345, 9224690, 18449380]

約数ペア:

[(1, 18449380), (2, 9224690), (4, 4612345), (5, 3689876), (10, 1844938), (19, 971020), (20, 922469), (38, 485510), (47, 392540), (76, 242755), (94, 196270), (95, 194204), (188, 98135), (190, 97102), (235, 78508), (380, 48551), (470, 39254), (893, 20660), (940, 19627), (1033, 17860), (1786, 10330), (2066, 8930), (3572, 5165), (4132, 4465)]