19553680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10627}}^1$

素因数の和:10663

約数の個数: 40

約数和(自身を含む): 47443392

約数和(自身を除く): 27889712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10627, 21254, 42508, 53135, 85016, 106270, 170032, 212540, 244421, 425080, 488842, 850160, 977684, 1222105, 1955368, 2444210, 3910736, 4888420, 9776840, 19553680]

約数ペア:

[(1, 19553680), (2, 9776840), (4, 4888420), (5, 3910736), (8, 2444210), (10, 1955368), (16, 1222105), (20, 977684), (23, 850160), (40, 488842), (46, 425080), (80, 244421), (92, 212540), (115, 170032), (184, 106270), (230, 85016), (368, 53135), (460, 42508), (920, 21254), (1840, 10627)]