19089854

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 33981120

約数和(自身を除く): 14891266

約数列:

[1, 2, 7, 14, 37, 74, 137, 259, 269, 274, 518, 538, 959, 1883, 1918, 3766, 5069, 9953, 10138, 19906, 35483, 36853, 69671, 70966, 73706, 139342, 257971, 515942, 1363561, 2727122, 9544927, 19089854]

約数ペア:

[(1, 19089854), (2, 9544927), (7, 2727122), (14, 1363561), (37, 515942), (74, 257971), (137, 139342), (259, 73706), (269, 70966), (274, 69671), (518, 36853), (538, 35483), (959, 19906), (1883, 10138), (1918, 9953), (3766, 5069)]