19603376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1293

約数の個数: 40

約数和(自身を含む): 41455680

約数和(自身を除く): 21852304

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1193, 1264, 2054, 2386, 4108, 4772, 8216, 9544, 15509, 16432, 19088, 31018, 62036, 94247, 124072, 188494, 248144, 376988, 753976, 1225211, 1507952, 2450422, 4900844, 9801688, 19603376]

約数ペア:

[(1, 19603376), (2, 9801688), (4, 4900844), (8, 2450422), (13, 1507952), (16, 1225211), (26, 753976), (52, 376988), (79, 248144), (104, 188494), (158, 124072), (208, 94247), (316, 62036), (632, 31018), (1027, 19088), (1193, 16432), (1264, 15509), (2054, 9544), (2386, 8216), (4108, 4772)]