19881732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127447}}^1$

素因数の和:127467

約数の個数: 24

約数和(自身を含む): 49959616

約数和(自身を除く): 30077884

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 127447, 254894, 382341, 509788, 764682, 1529364, 1656811, 3313622, 4970433, 6627244, 9940866, 19881732]

約数ペア:

[(1, 19881732), (2, 9940866), (3, 6627244), (4, 4970433), (6, 3313622), (12, 1656811), (13, 1529364), (26, 764682), (39, 509788), (52, 382341), (78, 254894), (156, 127447)]