18239994

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 40734720

約数和(自身を除く): 22494726

約数列:

[1, 2, 3, 6, 9, 18, 79, 101, 127, 158, 202, 237, 254, 303, 381, 474, 606, 711, 762, 909, 1143, 1422, 1818, 2286, 7979, 10033, 12827, 15958, 20066, 23937, 25654, 30099, 38481, 47874, 60198, 71811, 76962, 90297, 115443, 143622, 180594, 230886, 1013333, 2026666, 3039999, 6079998, 9119997, 18239994]

約数ペア:

[(1, 18239994), (2, 9119997), (3, 6079998), (6, 3039999), (9, 2026666), (18, 1013333), (79, 230886), (101, 180594), (127, 143622), (158, 115443), (202, 90297), (237, 76962), (254, 71811), (303, 60198), (381, 47874), (474, 38481), (606, 30099), (711, 25654), (762, 23937), (909, 20066), (1143, 15958), (1422, 12827), (1818, 10033), (2286, 7979)]