18777746288

素因数分解:

$2^4\times 7^3\times {\mathrm{1367}}^1\times {\mathrm{2503}}^1$

素因数の和:3899

約数の個数: 80

約数和(自身を含む): 42475852800

約数和(自身を除く): 23698106512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1367, 1372, 2503, 2734, 2744, 5006, 5468, 5488, 9569, 10012, 10936, 17521, 19138, 20024, 21872, 35042, 38276, 40048, 66983, 70084, 76552, 122647, 133966, 140168, 153104, 245294, 267932, 280336, 468881, 490588, 535864, 858529, 937762, 981176, 1071728, 1717058, 1875524, 1962352, 3421601, 3434116, 3751048, 6843202, 6868232, 7502096, 13686404, 13736464, 23951207, 27372808, 47902414, 54745616, 95804828, 167658449, 191609656, 335316898, 383219312, 670633796, 1173609143, 1341267592, 2347218286, 2682535184, 4694436572, 9388873144, 18777746288]

約数ペア:

[(1, 18777746288), (2, 9388873144), (4, 4694436572), (7, 2682535184), (8, 2347218286), (14, 1341267592), (16, 1173609143), (28, 670633796), (49, 383219312), (56, 335316898), (98, 191609656), (112, 167658449), (196, 95804828), (343, 54745616), (392, 47902414), (686, 27372808), (784, 23951207), (1367, 13736464), (1372, 13686404), (2503, 7502096), (2734, 6868232), (2744, 6843202), (5006, 3751048), (5468, 3434116), (5488, 3421601), (9569, 1962352), (10012, 1875524), (10936, 1717058), (17521, 1071728), (19138, 981176), (20024, 937762), (21872, 858529), (35042, 535864), (38276, 490588), (40048, 468881), (66983, 280336), (70084, 267932), (76552, 245294), (122647, 153104), (133966, 140168)]