17900440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19457}}^1$

素因数の和:19491

約数の個数: 32

約数和(自身を含む): 42029280

約数和(自身を除く): 24128840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19457, 38914, 77828, 97285, 155656, 194570, 389140, 447511, 778280, 895022, 1790044, 2237555, 3580088, 4475110, 8950220, 17900440]

約数ペア:

[(1, 17900440), (2, 8950220), (4, 4475110), (5, 3580088), (8, 2237555), (10, 1790044), (20, 895022), (23, 778280), (40, 447511), (46, 389140), (92, 194570), (115, 155656), (184, 97285), (230, 77828), (460, 38914), (920, 19457)]