18951436

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 40768000

約数和(自身を除く): 21816564

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 727, 931, 1372, 1454, 1862, 2908, 3724, 5089, 6517, 10178, 13034, 13813, 20356, 26068, 27626, 35623, 55252, 71246, 96691, 142492, 193382, 249361, 386764, 498722, 676837, 997444, 1353674, 2707348, 4737859, 9475718, 18951436]

約数ペア:

[(1, 18951436), (2, 9475718), (4, 4737859), (7, 2707348), (14, 1353674), (19, 997444), (28, 676837), (38, 498722), (49, 386764), (76, 249361), (98, 193382), (133, 142492), (196, 96691), (266, 71246), (343, 55252), (532, 35623), (686, 27626), (727, 26068), (931, 20356), (1372, 13813), (1454, 13034), (1862, 10178), (2908, 6517), (3724, 5089)]