18120454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 30878496

約数和(自身を除く): 12758042

約数列:

[1, 2, 11, 22, 37, 74, 113, 197, 226, 394, 407, 814, 1243, 2167, 2486, 4181, 4334, 7289, 8362, 14578, 22261, 44522, 45991, 80179, 91982, 160358, 244871, 489742, 823657, 1647314, 9060227, 18120454]

約数ペア:

[(1, 18120454), (2, 9060227), (11, 1647314), (22, 823657), (37, 489742), (74, 244871), (113, 160358), (197, 91982), (226, 80179), (394, 45991), (407, 44522), (814, 22261), (1243, 14578), (2167, 8362), (2486, 7289), (4181, 4334)]