19223440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12647}}^1$

素因数の和:12679

約数の個数: 40

約数和(自身を含む): 47050560

約数和(自身を除く): 27827120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12647, 25294, 50588, 63235, 101176, 126470, 202352, 240293, 252940, 480586, 505880, 961172, 1011760, 1201465, 1922344, 2402930, 3844688, 4805860, 9611720, 19223440]

約数ペア:

[(1, 19223440), (2, 9611720), (4, 4805860), (5, 3844688), (8, 2402930), (10, 1922344), (16, 1201465), (19, 1011760), (20, 961172), (38, 505880), (40, 480586), (76, 252940), (80, 240293), (95, 202352), (152, 126470), (190, 101176), (304, 63235), (380, 50588), (760, 25294), (1520, 12647)]