18836329212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{123491}}^1$

素因数の和:123743

約数の個数: 72

約数和(自身を含む): 50345218560

約数和(自身を除く): 31508889348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 223, 228, 342, 446, 669, 684, 892, 1338, 2007, 2676, 4014, 4237, 8028, 8474, 12711, 16948, 25422, 38133, 50844, 76266, 123491, 152532, 246982, 370473, 493964, 740946, 1111419, 1481892, 2222838, 2346329, 4445676, 4692658, 7038987, 9385316, 14077974, 21116961, 27538493, 28155948, 42233922, 55076986, 82615479, 84467844, 110153972, 165230958, 247846437, 330461916, 495692874, 523231367, 991385748, 1046462734, 1569694101, 2092925468, 3139388202, 4709082303, 6278776404, 9418164606, 18836329212]

約数ペア:

[(1, 18836329212), (2, 9418164606), (3, 6278776404), (4, 4709082303), (6, 3139388202), (9, 2092925468), (12, 1569694101), (18, 1046462734), (19, 991385748), (36, 523231367), (38, 495692874), (57, 330461916), (76, 247846437), (114, 165230958), (171, 110153972), (223, 84467844), (228, 82615479), (342, 55076986), (446, 42233922), (669, 28155948), (684, 27538493), (892, 21116961), (1338, 14077974), (2007, 9385316), (2676, 7038987), (4014, 4692658), (4237, 4445676), (8028, 2346329), (8474, 2222838), (12711, 1481892), (16948, 1111419), (25422, 740946), (38133, 493964), (50844, 370473), (76266, 246982), (123491, 152532)]