18396872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7691}}^1$

素因数の和:7733

約数の個数: 32

約数和(自身を含む): 38767680

約数和(自身を除く): 20370808

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 7691, 15382, 30764, 61528, 99983, 176893, 199966, 353786, 399932, 707572, 799864, 1415144, 2299609, 4599218, 9198436, 18396872]

約数ペア:

[(1, 18396872), (2, 9198436), (4, 4599218), (8, 2299609), (13, 1415144), (23, 799864), (26, 707572), (46, 399932), (52, 353786), (92, 199966), (104, 176893), (184, 99983), (299, 61528), (598, 30764), (1196, 15382), (2392, 7691)]