19855212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127277}}^1$

素因数の和:127297

約数の個数: 24

約数和(自身を含む): 49892976

約数和(自身を除く): 30037764

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127277, 254554, 381831, 509108, 763662, 1527324, 1654601, 3309202, 4963803, 6618404, 9927606, 19855212]

約数ペア:

[(1, 19855212), (2, 9927606), (3, 6618404), (4, 4963803), (6, 3309202), (12, 1654601), (13, 1527324), (26, 763662), (39, 509108), (52, 381831), (78, 254554), (156, 127277)]