18778974864

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1308457}}^1$

素因数の和:1308504

約数の個数: 80

約数和(自身を含む): 54515594112

約数和(自身を除く): 35736619248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1794, 2392, 3588, 4784, 7176, 14352, 1308457, 2616914, 3925371, 5233828, 7850742, 10467656, 15701484, 17009941, 20935312, 30094511, 31402968, 34019882, 51029823, 60189022, 62805936, 68039764, 90283533, 102059646, 120378044, 136079528, 180567066, 204119292, 240756088, 272159056, 361134132, 391228643, 408238584, 481512176, 722268264, 782457286, 816477168, 1173685929, 1444536528, 1564914572, 2347371858, 3129829144, 4694743716, 6259658288, 9389487432, 18778974864]

約数ペア:

[(1, 18778974864), (2, 9389487432), (3, 6259658288), (4, 4694743716), (6, 3129829144), (8, 2347371858), (12, 1564914572), (13, 1444536528), (16, 1173685929), (23, 816477168), (24, 782457286), (26, 722268264), (39, 481512176), (46, 408238584), (48, 391228643), (52, 361134132), (69, 272159056), (78, 240756088), (92, 204119292), (104, 180567066), (138, 136079528), (156, 120378044), (184, 102059646), (208, 90283533), (276, 68039764), (299, 62805936), (312, 60189022), (368, 51029823), (552, 34019882), (598, 31402968), (624, 30094511), (897, 20935312), (1104, 17009941), (1196, 15701484), (1794, 10467656), (2392, 7850742), (3588, 5233828), (4784, 3925371), (7176, 2616914), (14352, 1308457)]