18239640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8941}}^1$

素因数の和:8972

約数の個数: 64

約数和(自身を含む): 57944160

約数和(自身を除く): 39704520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 8941, 17882, 26823, 35764, 44705, 53646, 71528, 89410, 107292, 134115, 151997, 178820, 214584, 268230, 303994, 357640, 455991, 536460, 607988, 759985, 911982, 1072920, 1215976, 1519970, 1823964, 2279955, 3039940, 3647928, 4559910, 6079880, 9119820, 18239640]

約数ペア:

[(1, 18239640), (2, 9119820), (3, 6079880), (4, 4559910), (5, 3647928), (6, 3039940), (8, 2279955), (10, 1823964), (12, 1519970), (15, 1215976), (17, 1072920), (20, 911982), (24, 759985), (30, 607988), (34, 536460), (40, 455991), (51, 357640), (60, 303994), (68, 268230), (85, 214584), (102, 178820), (120, 151997), (136, 134115), (170, 107292), (204, 89410), (255, 71528), (340, 53646), (408, 44705), (510, 35764), (680, 26823), (1020, 17882), (2040, 8941)]