19438520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25577}}^1$

素因数の和:25607

約数の個数: 32

約数和(自身を含む): 46040400

約数和(自身を除く): 26601880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25577, 51154, 102308, 127885, 204616, 255770, 485963, 511540, 971926, 1023080, 1943852, 2429815, 3887704, 4859630, 9719260, 19438520]

約数ペア:

[(1, 19438520), (2, 9719260), (4, 4859630), (5, 3887704), (8, 2429815), (10, 1943852), (19, 1023080), (20, 971926), (38, 511540), (40, 485963), (76, 255770), (95, 204616), (152, 127885), (190, 102308), (380, 51154), (760, 25577)]