19784911272

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{558139}}^1$

素因数の和:558366

約数の個数: 64

約数和(自身を含む): 56796326400

約数和(自身を除く): 37011415128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 211, 422, 633, 844, 1266, 1477, 1688, 2532, 2954, 4431, 5064, 5908, 8862, 11816, 17724, 35448, 558139, 1116278, 1674417, 2232556, 3348834, 3906973, 4465112, 6697668, 7813946, 11720919, 13395336, 15627892, 23441838, 31255784, 46883676, 93767352, 117767329, 235534658, 353301987, 471069316, 706603974, 824371303, 942138632, 1413207948, 1648742606, 2473113909, 2826415896, 3297485212, 4946227818, 6594970424, 9892455636, 19784911272]

約数ペア:

[(1, 19784911272), (2, 9892455636), (3, 6594970424), (4, 4946227818), (6, 3297485212), (7, 2826415896), (8, 2473113909), (12, 1648742606), (14, 1413207948), (21, 942138632), (24, 824371303), (28, 706603974), (42, 471069316), (56, 353301987), (84, 235534658), (168, 117767329), (211, 93767352), (422, 46883676), (633, 31255784), (844, 23441838), (1266, 15627892), (1477, 13395336), (1688, 11720919), (2532, 7813946), (2954, 6697668), (4431, 4465112), (5064, 3906973), (5908, 3348834), (8862, 2232556), (11816, 1674417), (17724, 1116278), (35448, 558139)]