18598760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 44167680

約数和(自身を除く): 25568920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 283, 310, 424, 530, 566, 620, 1060, 1132, 1240, 1415, 1643, 2120, 2264, 2830, 3286, 5660, 6572, 8215, 8773, 11320, 13144, 14999, 16430, 17546, 29998, 32860, 35092, 43865, 59996, 65720, 70184, 74995, 87730, 119992, 149990, 175460, 299980, 350920, 464969, 599960, 929938, 1859876, 2324845, 3719752, 4649690, 9299380, 18598760]

約数ペア:

[(1, 18598760), (2, 9299380), (4, 4649690), (5, 3719752), (8, 2324845), (10, 1859876), (20, 929938), (31, 599960), (40, 464969), (53, 350920), (62, 299980), (106, 175460), (124, 149990), (155, 119992), (212, 87730), (248, 74995), (265, 70184), (283, 65720), (310, 59996), (424, 43865), (530, 35092), (566, 32860), (620, 29998), (1060, 17546), (1132, 16430), (1240, 14999), (1415, 13144), (1643, 11320), (2120, 8773), (2264, 8215), (2830, 6572), (3286, 5660)]