18225904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1873

約数の個数: 40

約数和(自身を含む): 38421648

約数和(自身を除く): 20195744

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 592, 629, 1258, 1811, 2516, 3622, 5032, 7244, 10064, 14488, 28976, 30787, 61574, 67007, 123148, 134014, 246296, 268028, 492592, 536056, 1072112, 1139119, 2278238, 4556476, 9112952, 18225904]

約数ペア:

[(1, 18225904), (2, 9112952), (4, 4556476), (8, 2278238), (16, 1139119), (17, 1072112), (34, 536056), (37, 492592), (68, 268028), (74, 246296), (136, 134014), (148, 123148), (272, 67007), (296, 61574), (592, 30787), (629, 28976), (1258, 14488), (1811, 10064), (2516, 7244), (3622, 5032)]