19408844

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 42448896

約数和(自身を除く): 23040052

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 751, 923, 994, 1502, 1846, 1988, 3004, 3692, 5257, 6461, 9763, 10514, 12922, 19526, 21028, 25844, 39052, 53321, 68341, 106642, 136682, 213284, 273364, 373247, 693173, 746494, 1386346, 1492988, 2772692, 4852211, 9704422, 19408844]

約数ペア:

[(1, 19408844), (2, 9704422), (4, 4852211), (7, 2772692), (13, 1492988), (14, 1386346), (26, 746494), (28, 693173), (52, 373247), (71, 273364), (91, 213284), (142, 136682), (182, 106642), (284, 68341), (364, 53321), (497, 39052), (751, 25844), (923, 21028), (994, 19526), (1502, 12922), (1846, 10514), (1988, 9763), (3004, 6461), (3692, 5257)]