19533140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4673}}^1$

素因数の和:4712

約数の個数: 48

約数和(自身を含む): 47113920

約数和(自身を除く): 27580780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4673, 9346, 18692, 23365, 46730, 51403, 88787, 93460, 102806, 177574, 205612, 257015, 355148, 443935, 514030, 887870, 976657, 1028060, 1775740, 1953314, 3906628, 4883285, 9766570, 19533140]

約数ペア:

[(1, 19533140), (2, 9766570), (4, 4883285), (5, 3906628), (10, 1953314), (11, 1775740), (19, 1028060), (20, 976657), (22, 887870), (38, 514030), (44, 443935), (55, 355148), (76, 257015), (95, 205612), (110, 177574), (190, 102806), (209, 93460), (220, 88787), (380, 51403), (418, 46730), (836, 23365), (1045, 18692), (2090, 9346), (4180, 4673)]