19839872

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11923}}^1$

素因数の和:11950

約数の個数: 32

約数和(自身を含む): 42568680

約数和(自身を除く): 22728808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11923, 23846, 47692, 95384, 154999, 190768, 309998, 381536, 619996, 763072, 1239992, 1526144, 2479984, 4959968, 9919936, 19839872]

約数ペア:

[(1, 19839872), (2, 9919936), (4, 4959968), (8, 2479984), (13, 1526144), (16, 1239992), (26, 763072), (32, 619996), (52, 381536), (64, 309998), (104, 190768), (128, 154999), (208, 95384), (416, 47692), (832, 23846), (1664, 11923)]