18683260

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1619}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 39327120

約数和(自身を除く): 20643860

約数列:

[1, 2, 4, 5, 10, 20, 577, 1154, 1619, 2308, 2885, 3238, 5770, 6476, 8095, 11540, 16190, 32380, 934163, 1868326, 3736652, 4670815, 9341630, 18683260]

約数ペア:

[(1, 18683260), (2, 9341630), (4, 4670815), (5, 3736652), (10, 1868326), (20, 934163), (577, 32380), (1154, 16190), (1619, 11540), (2308, 8095), (2885, 6476), (3238, 5770)]