19825845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{347}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 34376832

約数和(自身を除く): 14550987

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 293, 347, 879, 1041, 1465, 1735, 3809, 4395, 4511, 5205, 11427, 13533, 19045, 22555, 57135, 67665, 101671, 305013, 508355, 1321723, 1525065, 3965169, 6608615, 19825845]

約数ペア:

[(1, 19825845), (3, 6608615), (5, 3965169), (13, 1525065), (15, 1321723), (39, 508355), (65, 305013), (195, 101671), (293, 67665), (347, 57135), (879, 22555), (1041, 19045), (1465, 13533), (1735, 11427), (3809, 5205), (4395, 4511)]