18007456

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 37116576

約数和(自身を除く): 19109120

約数列:

[1, 2, 4, 8, 16, 32, 37, 67, 74, 134, 148, 227, 268, 296, 454, 536, 592, 908, 1072, 1184, 1816, 2144, 2479, 3632, 4958, 7264, 8399, 9916, 15209, 16798, 19832, 30418, 33596, 39664, 60836, 67192, 79328, 121672, 134384, 243344, 268768, 486688, 562733, 1125466, 2250932, 4501864, 9003728, 18007456]

約数ペア:

[(1, 18007456), (2, 9003728), (4, 4501864), (8, 2250932), (16, 1125466), (32, 562733), (37, 486688), (67, 268768), (74, 243344), (134, 134384), (148, 121672), (227, 79328), (268, 67192), (296, 60836), (454, 39664), (536, 33596), (592, 30418), (908, 19832), (1072, 16798), (1184, 15209), (1816, 9916), (2144, 8399), (2479, 7264), (3632, 4958)]