18841676

素因数分解:

$2^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 39782400

約数和(自身を除く): 20940724

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 343, 434, 443, 686, 868, 886, 1372, 1519, 1772, 3038, 3101, 6076, 6202, 10633, 12404, 13733, 21266, 21707, 27466, 42532, 43414, 54932, 86828, 96131, 151949, 192262, 303898, 384524, 607796, 672917, 1345834, 2691668, 4710419, 9420838, 18841676]

約数ペア:

[(1, 18841676), (2, 9420838), (4, 4710419), (7, 2691668), (14, 1345834), (28, 672917), (31, 607796), (49, 384524), (62, 303898), (98, 192262), (124, 151949), (196, 96131), (217, 86828), (343, 54932), (434, 43414), (443, 42532), (686, 27466), (868, 21707), (886, 21266), (1372, 13733), (1519, 12404), (1772, 10633), (3038, 6202), (3101, 6076)]