19304740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10607}}^1$

素因数の和:10636

約数の個数: 48

約数和(自身を含む): 49900032

約数和(自身を除く): 30595292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10607, 21214, 42428, 53035, 74249, 106070, 137891, 148498, 212140, 275782, 296996, 371245, 551564, 689455, 742490, 965237, 1378910, 1484980, 1930474, 2757820, 3860948, 4826185, 9652370, 19304740]

約数ペア:

[(1, 19304740), (2, 9652370), (4, 4826185), (5, 3860948), (7, 2757820), (10, 1930474), (13, 1484980), (14, 1378910), (20, 965237), (26, 742490), (28, 689455), (35, 551564), (52, 371245), (65, 296996), (70, 275782), (91, 212140), (130, 148498), (140, 137891), (182, 106070), (260, 74249), (364, 53035), (455, 42428), (910, 21214), (1820, 10607)]