18128224

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 37403856

約数和(自身を除く): 19275632

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 74, 122, 148, 244, 251, 296, 488, 502, 592, 976, 1004, 1184, 1952, 2008, 2257, 4016, 4514, 8032, 9028, 9287, 15311, 18056, 18574, 30622, 36112, 37148, 61244, 72224, 74296, 122488, 148592, 244976, 297184, 489952, 566507, 1133014, 2266028, 4532056, 9064112, 18128224]

約数ペア:

[(1, 18128224), (2, 9064112), (4, 4532056), (8, 2266028), (16, 1133014), (32, 566507), (37, 489952), (61, 297184), (74, 244976), (122, 148592), (148, 122488), (244, 74296), (251, 72224), (296, 61244), (488, 37148), (502, 36112), (592, 30622), (976, 18574), (1004, 18056), (1184, 15311), (1952, 9287), (2008, 9028), (2257, 8032), (4016, 4514)]