19306378

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 37997568

約数和(自身を除く): 18691190

約数列:

[1, 2, 7, 13, 14, 26, 37, 47, 61, 74, 91, 94, 122, 182, 259, 329, 427, 481, 518, 611, 658, 793, 854, 962, 1222, 1586, 1739, 2257, 2867, 3367, 3478, 4277, 4514, 5551, 5734, 6734, 8554, 11102, 12173, 15799, 20069, 22607, 24346, 29341, 31598, 37271, 40138, 45214, 58682, 74542, 106079, 158249, 205387, 212158, 260897, 316498, 410774, 521794, 742553, 1379027, 1485106, 2758054, 9653189, 19306378]

約数ペア:

[(1, 19306378), (2, 9653189), (7, 2758054), (13, 1485106), (14, 1379027), (26, 742553), (37, 521794), (47, 410774), (61, 316498), (74, 260897), (91, 212158), (94, 205387), (122, 158249), (182, 106079), (259, 74542), (329, 58682), (427, 45214), (481, 40138), (518, 37271), (611, 31598), (658, 29341), (793, 24346), (854, 22607), (962, 20069), (1222, 15799), (1586, 12173), (1739, 11102), (2257, 8554), (2867, 6734), (3367, 5734), (3478, 5551), (4277, 4514)]