18046120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 43027200

約数和(自身を除く): 24981080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 331, 376, 470, 580, 662, 940, 1160, 1324, 1363, 1655, 1880, 2648, 2726, 3310, 5452, 6620, 6815, 9599, 10904, 13240, 13630, 15557, 19198, 27260, 31114, 38396, 47995, 54520, 62228, 76792, 77785, 95990, 124456, 155570, 191980, 311140, 383960, 451153, 622280, 902306, 1804612, 2255765, 3609224, 4511530, 9023060, 18046120]

約数ペア:

[(1, 18046120), (2, 9023060), (4, 4511530), (5, 3609224), (8, 2255765), (10, 1804612), (20, 902306), (29, 622280), (40, 451153), (47, 383960), (58, 311140), (94, 191980), (116, 155570), (145, 124456), (188, 95990), (232, 77785), (235, 76792), (290, 62228), (331, 54520), (376, 47995), (470, 38396), (580, 31114), (662, 27260), (940, 19198), (1160, 15557), (1324, 13630), (1363, 13240), (1655, 10904), (1880, 9599), (2648, 6815), (2726, 6620), (3310, 5452)]