18306416

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 60

約数和(自身を含む): 39057768

約数和(自身を除く): 20751352

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 107, 136, 148, 214, 272, 289, 296, 428, 578, 592, 629, 856, 1156, 1258, 1712, 1819, 2312, 2516, 3638, 3959, 4624, 5032, 7276, 7918, 10064, 10693, 14552, 15836, 21386, 29104, 30923, 31672, 42772, 61846, 63344, 67303, 85544, 123692, 134606, 171088, 247384, 269212, 494768, 538424, 1076848, 1144151, 2288302, 4576604, 9153208, 18306416]

約数ペア:

[(1, 18306416), (2, 9153208), (4, 4576604), (8, 2288302), (16, 1144151), (17, 1076848), (34, 538424), (37, 494768), (68, 269212), (74, 247384), (107, 171088), (136, 134606), (148, 123692), (214, 85544), (272, 67303), (289, 63344), (296, 61846), (428, 42772), (578, 31672), (592, 30923), (629, 29104), (856, 21386), (1156, 15836), (1258, 14552), (1712, 10693), (1819, 10064), (2312, 7918), (2516, 7276), (3638, 5032), (3959, 4624)]