18580410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 29941830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 431, 479, 862, 958, 1293, 1437, 2155, 2395, 2586, 2874, 3879, 4310, 4311, 4790, 6465, 7185, 7758, 8622, 12930, 14370, 19395, 21555, 38790, 43110, 206449, 412898, 619347, 1032245, 1238694, 1858041, 2064490, 3096735, 3716082, 6193470, 9290205, 18580410]

約数ペア:

[(1, 18580410), (2, 9290205), (3, 6193470), (5, 3716082), (6, 3096735), (9, 2064490), (10, 1858041), (15, 1238694), (18, 1032245), (30, 619347), (45, 412898), (90, 206449), (431, 43110), (479, 38790), (862, 21555), (958, 19395), (1293, 14370), (1437, 12930), (2155, 8622), (2395, 7758), (2586, 7185), (2874, 6465), (3879, 4790), (4310, 4311)]