19185440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6311}}^1$

素因数の和:6345

約数の個数: 48

約数和(自身を含む): 47718720

約数和(自身を除く): 28533280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6311, 12622, 25244, 31555, 50488, 63110, 100976, 119909, 126220, 201952, 239818, 252440, 479636, 504880, 599545, 959272, 1009760, 1199090, 1918544, 2398180, 3837088, 4796360, 9592720, 19185440]

約数ペア:

[(1, 19185440), (2, 9592720), (4, 4796360), (5, 3837088), (8, 2398180), (10, 1918544), (16, 1199090), (19, 1009760), (20, 959272), (32, 599545), (38, 504880), (40, 479636), (76, 252440), (80, 239818), (95, 201952), (152, 126220), (160, 119909), (190, 100976), (304, 63110), (380, 50488), (608, 31555), (760, 25244), (1520, 12622), (3040, 6311)]