18239880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1567}}^1$

素因数の和:1678

約数の個数: 64

約数和(自身を含む): 55319040

約数和(自身を除く): 37079160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1567, 1940, 2328, 2910, 3134, 3880, 4701, 5820, 6268, 7835, 9402, 11640, 12536, 15670, 18804, 23505, 31340, 37608, 47010, 62680, 94020, 151999, 188040, 303998, 455997, 607996, 759995, 911994, 1215992, 1519990, 1823988, 2279985, 3039980, 3647976, 4559970, 6079960, 9119940, 18239880]

約数ペア:

[(1, 18239880), (2, 9119940), (3, 6079960), (4, 4559970), (5, 3647976), (6, 3039980), (8, 2279985), (10, 1823988), (12, 1519990), (15, 1215992), (20, 911994), (24, 759995), (30, 607996), (40, 455997), (60, 303998), (97, 188040), (120, 151999), (194, 94020), (291, 62680), (388, 47010), (485, 37608), (582, 31340), (776, 23505), (970, 18804), (1164, 15670), (1455, 12536), (1567, 11640), (1940, 9402), (2328, 7835), (2910, 6268), (3134, 5820), (3880, 4701)]