19395558

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3947}}^1$

素因数の和:3978

約数の個数: 64

約数和(自身を含む): 53061120

約数和(自身を除く): 33665562

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 3947, 4914, 7894, 11841, 23682, 27629, 35523, 51311, 55258, 71046, 82887, 102622, 106569, 153933, 165774, 213138, 248661, 307866, 359177, 461799, 497322, 718354, 745983, 923598, 1077531, 1385397, 1491966, 2155062, 2770794, 3232593, 6465186, 9697779, 19395558]

約数ペア:

[(1, 19395558), (2, 9697779), (3, 6465186), (6, 3232593), (7, 2770794), (9, 2155062), (13, 1491966), (14, 1385397), (18, 1077531), (21, 923598), (26, 745983), (27, 718354), (39, 497322), (42, 461799), (54, 359177), (63, 307866), (78, 248661), (91, 213138), (117, 165774), (126, 153933), (182, 106569), (189, 102622), (234, 82887), (273, 71046), (351, 55258), (378, 51311), (546, 35523), (702, 27629), (819, 23682), (1638, 11841), (2457, 7894), (3947, 4914)]