18662172

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 45386880

約数和(自身を除く): 26724708

約数列:

[1, 2, 3, 4, 6, 12, 43, 59, 86, 118, 129, 172, 177, 236, 258, 354, 516, 613, 708, 1226, 1839, 2452, 2537, 3678, 5074, 7356, 7611, 10148, 15222, 26359, 30444, 36167, 52718, 72334, 79077, 105436, 108501, 144668, 158154, 217002, 316308, 434004, 1555181, 3110362, 4665543, 6220724, 9331086, 18662172]

約数ペア:

[(1, 18662172), (2, 9331086), (3, 6220724), (4, 4665543), (6, 3110362), (12, 1555181), (43, 434004), (59, 316308), (86, 217002), (118, 158154), (129, 144668), (172, 108501), (177, 105436), (236, 79077), (258, 72334), (354, 52718), (516, 36167), (613, 30444), (708, 26359), (1226, 15222), (1839, 10148), (2452, 7611), (2537, 7356), (3678, 5074)]