20194648484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131479}}^1$

素因数の和:131592

約数の個数: 48

約数和(自身を含む): 38876006400

約数和(自身を除く): 18681357916

約数列:

[1, 2, 4, 19, 38, 43, 47, 76, 86, 94, 172, 188, 817, 893, 1634, 1786, 2021, 3268, 3572, 4042, 8084, 38399, 76798, 131479, 153596, 262958, 525916, 2498101, 4996202, 5653597, 6179513, 9992404, 11307194, 12359026, 22614388, 24718052, 107418343, 117410747, 214836686, 234821494, 265719059, 429673372, 469642988, 531438118, 1062876236, 5048662121, 10097324242, 20194648484]

約数ペア:

[(1, 20194648484), (2, 10097324242), (4, 5048662121), (19, 1062876236), (38, 531438118), (43, 469642988), (47, 429673372), (76, 265719059), (86, 234821494), (94, 214836686), (172, 117410747), (188, 107418343), (817, 24718052), (893, 22614388), (1634, 12359026), (1786, 11307194), (2021, 9992404), (3268, 6179513), (3572, 5653597), (4042, 4996202), (8084, 2498101), (38399, 525916), (76798, 262958), (131479, 153596)]