18770860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1051}}^1$

素因数の和:1126

約数の個数: 48

約数和(自身を含む): 42416640

約数和(自身を除く): 23645780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1051, 1786, 2102, 3572, 4204, 4465, 5255, 8930, 10510, 17860, 19969, 21020, 39938, 49397, 79876, 98794, 99845, 197588, 199690, 246985, 399380, 493970, 938543, 987940, 1877086, 3754172, 4692715, 9385430, 18770860]

約数ペア:

[(1, 18770860), (2, 9385430), (4, 4692715), (5, 3754172), (10, 1877086), (19, 987940), (20, 938543), (38, 493970), (47, 399380), (76, 246985), (94, 199690), (95, 197588), (188, 99845), (190, 98794), (235, 79876), (380, 49397), (470, 39938), (893, 21020), (940, 19969), (1051, 17860), (1786, 10510), (2102, 8930), (3572, 5255), (4204, 4465)]