18847216

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 38167200

約数和(自身を除く): 19319984

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 151, 232, 269, 302, 464, 538, 604, 1076, 1208, 2152, 2416, 4304, 4379, 7801, 8758, 15602, 17516, 31204, 35032, 40619, 62408, 70064, 81238, 124816, 162476, 324952, 649904, 1177951, 2355902, 4711804, 9423608, 18847216]

約数ペア:

[(1, 18847216), (2, 9423608), (4, 4711804), (8, 2355902), (16, 1177951), (29, 649904), (58, 324952), (116, 162476), (151, 124816), (232, 81238), (269, 70064), (302, 62408), (464, 40619), (538, 35032), (604, 31204), (1076, 17516), (1208, 15602), (2152, 8758), (2416, 7801), (4304, 4379)]