18721308

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{523}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 46363520

約数和(自身を除く): 27642212

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 157, 228, 314, 471, 523, 628, 942, 1046, 1569, 1884, 2092, 2983, 3138, 5966, 6276, 8949, 9937, 11932, 17898, 19874, 29811, 35796, 39748, 59622, 82111, 119244, 164222, 246333, 328444, 492666, 985332, 1560109, 3120218, 4680327, 6240436, 9360654, 18721308]

約数ペア:

[(1, 18721308), (2, 9360654), (3, 6240436), (4, 4680327), (6, 3120218), (12, 1560109), (19, 985332), (38, 492666), (57, 328444), (76, 246333), (114, 164222), (157, 119244), (228, 82111), (314, 59622), (471, 39748), (523, 35796), (628, 29811), (942, 19874), (1046, 17898), (1569, 11932), (1884, 9937), (2092, 8949), (2983, 6276), (3138, 5966)]