18885570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 31019070

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 151, 165, 302, 330, 379, 453, 755, 758, 906, 1137, 1510, 1661, 1895, 2265, 2274, 3322, 3790, 4169, 4530, 4983, 5685, 8305, 8338, 9966, 11370, 12507, 16610, 20845, 24915, 25014, 41690, 49830, 57229, 62535, 114458, 125070, 171687, 286145, 343374, 572290, 629519, 858435, 1259038, 1716870, 1888557, 3147595, 3777114, 6295190, 9442785, 18885570]

約数ペア:

[(1, 18885570), (2, 9442785), (3, 6295190), (5, 3777114), (6, 3147595), (10, 1888557), (11, 1716870), (15, 1259038), (22, 858435), (30, 629519), (33, 572290), (55, 343374), (66, 286145), (110, 171687), (151, 125070), (165, 114458), (302, 62535), (330, 57229), (379, 49830), (453, 41690), (755, 25014), (758, 24915), (906, 20845), (1137, 16610), (1510, 12507), (1661, 11370), (1895, 9966), (2265, 8338), (2274, 8305), (3322, 5685), (3790, 4983), (4169, 4530)]