19443.000000

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 2222640

約数和(自身を除く): 1351120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 419, 520, 838, 1040, 1676, 2080, 2095, 3352, 4190, 5447, 6704, 8380, 10894, 13408, 16760, 21788, 27235, 33520, 43576, 54470, 67040, 87152, 108940, 174304, 217880, 435760, 871520]

約数ペア:

[(1, 871520), (2, 435760), (4, 217880), (5, 174304), (8, 108940), (10, 87152), (13, 67040), (16, 54470), (20, 43576), (26, 33520), (32, 27235), (40, 21788), (52, 16760), (65, 13408), (80, 10894), (104, 8380), (130, 6704), (160, 5447), (208, 4190), (260, 3352), (416, 2095), (419, 2080), (520, 1676), (838, 1040)]