18038440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2801}}^1$

素因数の和:2842

約数の個数: 64

約数和(自身を含む): 48418560

約数和(自身を除く): 30380120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2801, 3220, 5602, 6440, 11204, 14005, 19607, 22408, 28010, 39214, 56020, 64423, 78428, 98035, 112040, 128846, 156856, 196070, 257692, 322115, 392140, 450961, 515384, 644230, 784280, 901922, 1288460, 1803844, 2254805, 2576920, 3607688, 4509610, 9019220, 18038440]

約数ペア:

[(1, 18038440), (2, 9019220), (4, 4509610), (5, 3607688), (7, 2576920), (8, 2254805), (10, 1803844), (14, 1288460), (20, 901922), (23, 784280), (28, 644230), (35, 515384), (40, 450961), (46, 392140), (56, 322115), (70, 257692), (92, 196070), (115, 156856), (140, 128846), (161, 112040), (184, 98035), (230, 78428), (280, 64423), (322, 56020), (460, 39214), (644, 28010), (805, 22408), (920, 19607), (1288, 14005), (1610, 11204), (2801, 6440), (3220, 5602)]