19859872

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 40612320

約数和(自身を除く): 20752448

約数列:

[1, 2, 4, 8, 16, 32, 59, 67, 118, 134, 157, 236, 268, 314, 472, 536, 628, 944, 1072, 1256, 1888, 2144, 2512, 3953, 5024, 7906, 9263, 10519, 15812, 18526, 21038, 31624, 37052, 42076, 63248, 74104, 84152, 126496, 148208, 168304, 296416, 336608, 620621, 1241242, 2482484, 4964968, 9929936, 19859872]

約数ペア:

[(1, 19859872), (2, 9929936), (4, 4964968), (8, 2482484), (16, 1241242), (32, 620621), (59, 336608), (67, 296416), (118, 168304), (134, 148208), (157, 126496), (236, 84152), (268, 74104), (314, 63248), (472, 42076), (536, 37052), (628, 31624), (944, 21038), (1072, 18526), (1256, 15812), (1888, 10519), (2144, 9263), (2512, 7906), (3953, 5024)]