19751264

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 42477120

約数和(自身を除く): 22725856

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 79, 104, 158, 208, 316, 416, 601, 632, 1027, 1202, 1264, 2054, 2404, 2528, 4108, 4808, 7813, 8216, 9616, 15626, 16432, 19232, 31252, 32864, 47479, 62504, 94958, 125008, 189916, 250016, 379832, 617227, 759664, 1234454, 1519328, 2468908, 4937816, 9875632, 19751264]

約数ペア:

[(1, 19751264), (2, 9875632), (4, 4937816), (8, 2468908), (13, 1519328), (16, 1234454), (26, 759664), (32, 617227), (52, 379832), (79, 250016), (104, 189916), (158, 125008), (208, 94958), (316, 62504), (416, 47479), (601, 32864), (632, 31252), (1027, 19232), (1202, 16432), (1264, 15626), (2054, 9616), (2404, 8216), (2528, 7813), (4108, 4808)]