18491770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7309}}^1$

素因数の和:7350

約数の個数: 32

約数和(自身を含む): 37895040

約数和(自身を除く): 19403270

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7309, 14618, 36545, 73090, 80399, 160798, 168107, 336214, 401995, 803990, 840535, 1681070, 1849177, 3698354, 9245885, 18491770]

約数ペア:

[(1, 18491770), (2, 9245885), (5, 3698354), (10, 1849177), (11, 1681070), (22, 840535), (23, 803990), (46, 401995), (55, 336214), (110, 168107), (115, 160798), (230, 80399), (253, 73090), (506, 36545), (1265, 14618), (2530, 7309)]