19756368

素因数分解:

$2^4\times 3^2\times {\mathrm{137197}}^1$

素因数の和:137211

約数の個数: 30

約数和(自身を含む): 55290794

約数和(自身を除く): 35534426

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137197, 274394, 411591, 548788, 823182, 1097576, 1234773, 1646364, 2195152, 2469546, 3292728, 4939092, 6585456, 9878184, 19756368]

約数ペア:

[(1, 19756368), (2, 9878184), (3, 6585456), (4, 4939092), (6, 3292728), (8, 2469546), (9, 2195152), (12, 1646364), (16, 1234773), (18, 1097576), (24, 823182), (36, 548788), (48, 411591), (72, 274394), (144, 137197)]