18572008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 43464960

約数和(自身を除く): 24892952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 97, 104, 182, 194, 263, 364, 388, 526, 679, 728, 776, 1052, 1261, 1358, 1841, 2104, 2522, 2716, 3419, 3682, 5044, 5432, 6838, 7364, 8827, 10088, 13676, 14728, 17654, 23933, 25511, 27352, 35308, 47866, 51022, 70616, 95732, 102044, 178577, 191464, 204088, 331643, 357154, 663286, 714308, 1326572, 1428616, 2321501, 2653144, 4643002, 9286004, 18572008]

約数ペア:

[(1, 18572008), (2, 9286004), (4, 4643002), (7, 2653144), (8, 2321501), (13, 1428616), (14, 1326572), (26, 714308), (28, 663286), (52, 357154), (56, 331643), (91, 204088), (97, 191464), (104, 178577), (182, 102044), (194, 95732), (263, 70616), (364, 51022), (388, 47866), (526, 35308), (679, 27352), (728, 25511), (776, 23933), (1052, 17654), (1261, 14728), (1358, 13676), (1841, 10088), (2104, 8827), (2522, 7364), (2716, 6838), (3419, 5432), (3682, 5044)]