19885384

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 38787840

約数和(自身を除く): 18902456

約数列:

[1, 2, 4, 8, 31, 62, 124, 181, 248, 362, 443, 724, 886, 1448, 1772, 3544, 5611, 11222, 13733, 22444, 27466, 44888, 54932, 80183, 109864, 160366, 320732, 641464, 2485673, 4971346, 9942692, 19885384]

約数ペア:

[(1, 19885384), (2, 9942692), (4, 4971346), (8, 2485673), (31, 641464), (62, 320732), (124, 160366), (181, 109864), (248, 80183), (362, 54932), (443, 44888), (724, 27466), (886, 22444), (1448, 13733), (1772, 11222), (3544, 5611)]