18884138

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 37847040

約数和(自身を除く): 18962902

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 43, 86, 91, 127, 133, 182, 247, 254, 266, 301, 494, 559, 602, 817, 889, 1118, 1634, 1651, 1729, 1778, 2413, 3302, 3458, 3913, 4826, 5461, 5719, 7826, 10621, 10922, 11438, 11557, 16891, 21242, 23114, 31369, 33782, 38227, 62738, 70993, 74347, 76454, 103759, 141986, 148694, 207518, 219583, 439166, 496951, 726313, 993902, 1348867, 1452626, 2697734, 9442069, 18884138]

約数ペア:

[(1, 18884138), (2, 9442069), (7, 2697734), (13, 1452626), (14, 1348867), (19, 993902), (26, 726313), (38, 496951), (43, 439166), (86, 219583), (91, 207518), (127, 148694), (133, 141986), (182, 103759), (247, 76454), (254, 74347), (266, 70993), (301, 62738), (494, 38227), (559, 33782), (602, 31369), (817, 23114), (889, 21242), (1118, 16891), (1634, 11557), (1651, 11438), (1729, 10922), (1778, 10621), (2413, 7826), (3302, 5719), (3458, 5461), (3913, 4826)]