19281056

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 20635744

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 79, 116, 158, 232, 263, 316, 464, 526, 632, 928, 1052, 1264, 2104, 2291, 2528, 4208, 4582, 7627, 8416, 9164, 15254, 18328, 20777, 30508, 36656, 41554, 61016, 73312, 83108, 122032, 166216, 244064, 332432, 602533, 664864, 1205066, 2410132, 4820264, 9640528, 19281056]

約数ペア:

[(1, 19281056), (2, 9640528), (4, 4820264), (8, 2410132), (16, 1205066), (29, 664864), (32, 602533), (58, 332432), (79, 244064), (116, 166216), (158, 122032), (232, 83108), (263, 73312), (316, 61016), (464, 41554), (526, 36656), (632, 30508), (928, 20777), (1052, 18328), (1264, 15254), (2104, 9164), (2291, 8416), (2528, 7627), (4208, 4582)]