19943768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10093}}^1$

素因数の和:10131

約数の個数: 32

約数和(自身を含む): 42394800

約数和(自身を除く): 22451032

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10093, 20186, 40372, 80744, 131209, 191767, 262418, 383534, 524836, 767068, 1049672, 1534136, 2492971, 4985942, 9971884, 19943768]

約数ペア:

[(1, 19943768), (2, 9971884), (4, 4985942), (8, 2492971), (13, 1534136), (19, 1049672), (26, 767068), (38, 524836), (52, 383534), (76, 262418), (104, 191767), (152, 131209), (247, 80744), (494, 40372), (988, 20186), (1976, 10093)]