18051180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42979}}^1$

素因数の和:42998

約数の個数: 48

約数和(自身を含む): 57765120

約数和(自身を除く): 39713940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42979, 85958, 128937, 171916, 214895, 257874, 300853, 429790, 515748, 601706, 644685, 859580, 902559, 1203412, 1289370, 1504265, 1805118, 2578740, 3008530, 3610236, 4512795, 6017060, 9025590, 18051180]

約数ペア:

[(1, 18051180), (2, 9025590), (3, 6017060), (4, 4512795), (5, 3610236), (6, 3008530), (7, 2578740), (10, 1805118), (12, 1504265), (14, 1289370), (15, 1203412), (20, 902559), (21, 859580), (28, 644685), (30, 601706), (35, 515748), (42, 429790), (60, 300853), (70, 257874), (84, 214895), (105, 171916), (140, 128937), (210, 85958), (420, 42979)]