19165552

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{811}}^1$

素因数の和:1037

約数の個数: 40

約数和(自身を含む): 42691712

約数和(自身を除く): 23526160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 811, 844, 1477, 1622, 1688, 2954, 3244, 3376, 5677, 5908, 6488, 11354, 11816, 12976, 22708, 23632, 45416, 90832, 171121, 342242, 684484, 1197847, 1368968, 2395694, 2737936, 4791388, 9582776, 19165552]

約数ペア:

[(1, 19165552), (2, 9582776), (4, 4791388), (7, 2737936), (8, 2395694), (14, 1368968), (16, 1197847), (28, 684484), (56, 342242), (112, 171121), (211, 90832), (422, 45416), (811, 23632), (844, 22708), (1477, 12976), (1622, 11816), (1688, 11354), (2954, 6488), (3244, 5908), (3376, 5677)]