18721140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4657}}^1$

素因数の和:4736

約数の個数: 48

約数和(自身を含む): 53212992

約数和(自身を除く): 34491852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4657, 9314, 13971, 18628, 23285, 27942, 46570, 55884, 69855, 93140, 139710, 279420, 312019, 624038, 936057, 1248076, 1560095, 1872114, 3120190, 3744228, 4680285, 6240380, 9360570, 18721140]

約数ペア:

[(1, 18721140), (2, 9360570), (3, 6240380), (4, 4680285), (5, 3744228), (6, 3120190), (10, 1872114), (12, 1560095), (15, 1248076), (20, 936057), (30, 624038), (60, 312019), (67, 279420), (134, 139710), (201, 93140), (268, 69855), (335, 55884), (402, 46570), (670, 27942), (804, 23285), (1005, 18628), (1340, 13971), (2010, 9314), (4020, 4657)]