19418928

素因数分解:

$2^4\times 3^1\times {\mathrm{137}}^1\times {\mathrm{2953}}^1$

素因数の和:3101

約数の個数: 40

約数和(自身を含む): 50548848

約数和(自身を除く): 31129920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 137, 274, 411, 548, 822, 1096, 1644, 2192, 2953, 3288, 5906, 6576, 8859, 11812, 17718, 23624, 35436, 47248, 70872, 141744, 404561, 809122, 1213683, 1618244, 2427366, 3236488, 4854732, 6472976, 9709464, 19418928]

約数ペア:

[(1, 19418928), (2, 9709464), (3, 6472976), (4, 4854732), (6, 3236488), (8, 2427366), (12, 1618244), (16, 1213683), (24, 809122), (48, 404561), (137, 141744), (274, 70872), (411, 47248), (548, 35436), (822, 23624), (1096, 17718), (1644, 11812), (2192, 8859), (2953, 6576), (3288, 5906)]