19922032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:182

約数の個数: 60

約数和(自身を含む): 44380840

約数和(自身を除く): 24458808

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 71, 76, 104, 142, 152, 208, 247, 284, 304, 494, 568, 923, 988, 1136, 1349, 1846, 1976, 2698, 3692, 3952, 5041, 5396, 7384, 10082, 10792, 14768, 17537, 20164, 21584, 35074, 40328, 65533, 70148, 80656, 95779, 131066, 140296, 191558, 262132, 280592, 383116, 524264, 766232, 1048528, 1245127, 1532464, 2490254, 4980508, 9961016, 19922032]

約数ペア:

[(1, 19922032), (2, 9961016), (4, 4980508), (8, 2490254), (13, 1532464), (16, 1245127), (19, 1048528), (26, 766232), (38, 524264), (52, 383116), (71, 280592), (76, 262132), (104, 191558), (142, 140296), (152, 131066), (208, 95779), (247, 80656), (284, 70148), (304, 65533), (494, 40328), (568, 35074), (923, 21584), (988, 20164), (1136, 17537), (1349, 14768), (1846, 10792), (1976, 10082), (2698, 7384), (3692, 5396), (3952, 5041)]