18831560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 46725120

約数和(自身を除く): 27893560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 337, 440, 508, 635, 674, 1016, 1270, 1348, 1397, 1685, 2540, 2696, 2794, 3370, 3707, 5080, 5588, 6740, 6985, 7414, 11176, 13480, 13970, 14828, 18535, 27940, 29656, 37070, 42799, 55880, 74140, 85598, 148280, 171196, 213995, 342392, 427990, 470789, 855980, 941578, 1711960, 1883156, 2353945, 3766312, 4707890, 9415780, 18831560]

約数ペア:

[(1, 18831560), (2, 9415780), (4, 4707890), (5, 3766312), (8, 2353945), (10, 1883156), (11, 1711960), (20, 941578), (22, 855980), (40, 470789), (44, 427990), (55, 342392), (88, 213995), (110, 171196), (127, 148280), (220, 85598), (254, 74140), (337, 55880), (440, 42799), (508, 37070), (635, 29656), (674, 27940), (1016, 18535), (1270, 14828), (1348, 13970), (1397, 13480), (1685, 11176), (2540, 7414), (2696, 6985), (2794, 6740), (3370, 5588), (3707, 5080)]