19811050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 44434656

約数和(自身を除く): 24623606

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 107, 115, 161, 175, 214, 230, 322, 350, 529, 535, 575, 749, 805, 1058, 1070, 1150, 1498, 1610, 2461, 2645, 2675, 3703, 3745, 4025, 4922, 5290, 5350, 7406, 7490, 8050, 12305, 13225, 17227, 18515, 18725, 24610, 26450, 34454, 37030, 37450, 56603, 61525, 86135, 92575, 113206, 123050, 172270, 185150, 283015, 396221, 430675, 566030, 792442, 861350, 1415075, 1981105, 2830150, 3962210, 9905525, 19811050]

約数ペア:

[(1, 19811050), (2, 9905525), (5, 3962210), (7, 2830150), (10, 1981105), (14, 1415075), (23, 861350), (25, 792442), (35, 566030), (46, 430675), (50, 396221), (70, 283015), (107, 185150), (115, 172270), (161, 123050), (175, 113206), (214, 92575), (230, 86135), (322, 61525), (350, 56603), (529, 37450), (535, 37030), (575, 34454), (749, 26450), (805, 24610), (1058, 18725), (1070, 18515), (1150, 17227), (1498, 13225), (1610, 12305), (2461, 8050), (2645, 7490), (2675, 7406), (3703, 5350), (3745, 5290), (4025, 4922)]