19676488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1537

約数の個数: 32

約数和(自身を含む): 40050360

約数和(自身を除く): 20373872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1381, 1781, 2762, 3562, 5524, 7124, 11048, 14248, 17953, 35906, 71812, 143624, 189197, 378394, 756788, 1513576, 2459561, 4919122, 9838244, 19676488]

約数ペア:

[(1, 19676488), (2, 9838244), (4, 4919122), (8, 2459561), (13, 1513576), (26, 756788), (52, 378394), (104, 189197), (137, 143624), (274, 71812), (548, 35906), (1096, 17953), (1381, 14248), (1781, 11048), (2762, 7124), (3562, 5524)]