19098716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 22672804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 739, 923, 994, 1478, 1846, 1988, 2956, 3692, 5173, 6461, 9607, 10346, 12922, 19214, 20692, 25844, 38428, 52469, 67249, 104938, 134498, 209876, 268996, 367283, 682097, 734566, 1364194, 1469132, 2728388, 4774679, 9549358, 19098716]

約数ペア:

[(1, 19098716), (2, 9549358), (4, 4774679), (7, 2728388), (13, 1469132), (14, 1364194), (26, 734566), (28, 682097), (52, 367283), (71, 268996), (91, 209876), (142, 134498), (182, 104938), (284, 67249), (364, 52469), (497, 38428), (739, 25844), (923, 20692), (994, 19214), (1478, 12922), (1846, 10346), (1988, 9607), (2956, 6461), (3692, 5173)]