19926328

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 38808000

約数和(自身を除く): 18881672

約数列:

[1, 2, 4, 8, 41, 79, 82, 158, 164, 316, 328, 632, 769, 1538, 3076, 3239, 6152, 6478, 12956, 25912, 31529, 60751, 63058, 121502, 126116, 243004, 252232, 486008, 2490791, 4981582, 9963164, 19926328]

約数ペア:

[(1, 19926328), (2, 9963164), (4, 4981582), (8, 2490791), (41, 486008), (79, 252232), (82, 243004), (158, 126116), (164, 121502), (316, 63058), (328, 60751), (632, 31529), (769, 25912), (1538, 12956), (3076, 6478), (3239, 6152)]