19922656

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 42822864

約数和(自身を除く): 22900208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 83, 104, 166, 208, 332, 416, 577, 664, 1079, 1154, 1328, 2158, 2308, 2656, 4316, 4616, 7501, 8632, 9232, 15002, 17264, 18464, 30004, 34528, 47891, 60008, 95782, 120016, 191564, 240032, 383128, 622583, 766256, 1245166, 1532512, 2490332, 4980664, 9961328, 19922656]

約数ペア:

[(1, 19922656), (2, 9961328), (4, 4980664), (8, 2490332), (13, 1532512), (16, 1245166), (26, 766256), (32, 622583), (52, 383128), (83, 240032), (104, 191564), (166, 120016), (208, 95782), (332, 60008), (416, 47891), (577, 34528), (664, 30004), (1079, 18464), (1154, 17264), (1328, 15002), (2158, 9232), (2308, 8632), (2656, 7501), (4316, 4616)]