19394360

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6829}}^1$

素因数の和:6911

約数の個数: 32

約数和(自身を含む): 44258400

約数和(自身を除く): 24864040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 6829, 13658, 27316, 34145, 54632, 68290, 136580, 273160, 484859, 969718, 1939436, 2424295, 3878872, 4848590, 9697180, 19394360]

約数ペア:

[(1, 19394360), (2, 9697180), (4, 4848590), (5, 3878872), (8, 2424295), (10, 1939436), (20, 969718), (40, 484859), (71, 273160), (142, 136580), (284, 68290), (355, 54632), (568, 34145), (710, 27316), (1420, 13658), (2840, 6829)]