18585920

素因数分解:

$2^6\times 5^1\times {\mathrm{241}}^2$

素因数の和:499

約数の個数: 42

約数和(自身を含む): 44442126

約数和(自身を除く): 25856206

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 241, 320, 482, 964, 1205, 1928, 2410, 3856, 4820, 7712, 9640, 15424, 19280, 38560, 58081, 77120, 116162, 232324, 290405, 464648, 580810, 929296, 1161620, 1858592, 2323240, 3717184, 4646480, 9292960, 18585920]

約数ペア:

[(1, 18585920), (2, 9292960), (4, 4646480), (5, 3717184), (8, 2323240), (10, 1858592), (16, 1161620), (20, 929296), (32, 580810), (40, 464648), (64, 290405), (80, 232324), (160, 116162), (241, 77120), (320, 58081), (482, 38560), (964, 19280), (1205, 15424), (1928, 9640), (2410, 7712), (3856, 4820)]