19069890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 34014270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1279, 1491, 2130, 2485, 2558, 2982, 3837, 4970, 6395, 7455, 7674, 8953, 12790, 14910, 17906, 19185, 26859, 38370, 44765, 53718, 89530, 90809, 134295, 181618, 268590, 272427, 454045, 544854, 635663, 908090, 1271326, 1362135, 1906989, 2724270, 3178315, 3813978, 6356630, 9534945, 19069890]

約数ペア:

[(1, 19069890), (2, 9534945), (3, 6356630), (5, 3813978), (6, 3178315), (7, 2724270), (10, 1906989), (14, 1362135), (15, 1271326), (21, 908090), (30, 635663), (35, 544854), (42, 454045), (70, 272427), (71, 268590), (105, 181618), (142, 134295), (210, 90809), (213, 89530), (355, 53718), (426, 44765), (497, 38370), (710, 26859), (994, 19185), (1065, 17906), (1279, 14910), (1491, 12790), (2130, 8953), (2485, 7674), (2558, 7455), (2982, 6395), (3837, 4970)]