18349360

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{661}}^1$

素因数の和:1021

約数の個数: 40

約数和(自身を含む): 42849936

約数和(自身を除く): 24500576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 661, 694, 1322, 1388, 1735, 2644, 2776, 3305, 3470, 5288, 5552, 6610, 6940, 10576, 13220, 13880, 26440, 27760, 52880, 229367, 458734, 917468, 1146835, 1834936, 2293670, 3669872, 4587340, 9174680, 18349360]

約数ペア:

[(1, 18349360), (2, 9174680), (4, 4587340), (5, 3669872), (8, 2293670), (10, 1834936), (16, 1146835), (20, 917468), (40, 458734), (80, 229367), (347, 52880), (661, 27760), (694, 26440), (1322, 13880), (1388, 13220), (1735, 10576), (2644, 6940), (2776, 6610), (3305, 5552), (3470, 5288)]