18706016

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 72

約数和(自身を含む): 43965936

約数和(自身を除く): 25259920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 61, 74, 112, 122, 148, 224, 244, 259, 296, 427, 488, 518, 592, 854, 976, 1036, 1184, 1369, 1708, 1952, 2072, 2257, 2738, 3416, 4144, 4514, 5476, 6832, 8288, 9028, 9583, 10952, 13664, 15799, 18056, 19166, 21904, 31598, 36112, 38332, 43808, 63196, 72224, 76664, 83509, 126392, 153328, 167018, 252784, 306656, 334036, 505568, 584563, 668072, 1169126, 1336144, 2338252, 2672288, 4676504, 9353008, 18706016]

約数ペア:

[(1, 18706016), (2, 9353008), (4, 4676504), (7, 2672288), (8, 2338252), (14, 1336144), (16, 1169126), (28, 668072), (32, 584563), (37, 505568), (56, 334036), (61, 306656), (74, 252784), (112, 167018), (122, 153328), (148, 126392), (224, 83509), (244, 76664), (259, 72224), (296, 63196), (427, 43808), (488, 38332), (518, 36112), (592, 31598), (854, 21904), (976, 19166), (1036, 18056), (1184, 15799), (1369, 13664), (1708, 10952), (1952, 9583), (2072, 9028), (2257, 8288), (2738, 6832), (3416, 5476), (4144, 4514)]