19808488

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18617}}^1$

素因数の和:18649

約数の個数: 32

約数和(自身を含む): 44683200

約数和(自身を除く): 24874712

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 18617, 37234, 74468, 130319, 148936, 260638, 353723, 521276, 707446, 1042552, 1414892, 2476061, 2829784, 4952122, 9904244, 19808488]

約数ペア:

[(1, 19808488), (2, 9904244), (4, 4952122), (7, 2829784), (8, 2476061), (14, 1414892), (19, 1042552), (28, 707446), (38, 521276), (56, 353723), (76, 260638), (133, 148936), (152, 130319), (266, 74468), (532, 37234), (1064, 18617)]