19967376

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1$

素因数の和:2944

約数の個数: 80

約数和(自身を含む): 60621120

約数和(自身を除く): 40653744

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 48, 52, 66, 78, 88, 104, 132, 143, 156, 176, 208, 264, 286, 312, 429, 528, 572, 624, 858, 1144, 1716, 2288, 2909, 3432, 5818, 6864, 8727, 11636, 17454, 23272, 31999, 34908, 37817, 46544, 63998, 69816, 75634, 95997, 113451, 127996, 139632, 151268, 191994, 226902, 255992, 302536, 383988, 415987, 453804, 511984, 605072, 767976, 831974, 907608, 1247961, 1535952, 1663948, 1815216, 2495922, 3327896, 4991844, 6655792, 9983688, 19967376]

約数ペア:

[(1, 19967376), (2, 9983688), (3, 6655792), (4, 4991844), (6, 3327896), (8, 2495922), (11, 1815216), (12, 1663948), (13, 1535952), (16, 1247961), (22, 907608), (24, 831974), (26, 767976), (33, 605072), (39, 511984), (44, 453804), (48, 415987), (52, 383988), (66, 302536), (78, 255992), (88, 226902), (104, 191994), (132, 151268), (143, 139632), (156, 127996), (176, 113451), (208, 95997), (264, 75634), (286, 69816), (312, 63998), (429, 46544), (528, 37817), (572, 34908), (624, 31999), (858, 23272), (1144, 17454), (1716, 11636), (2288, 8727), (2909, 6864), (3432, 5818)]