18570440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2287}}^1$

素因数の和:2334

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 30850360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2287, 4060, 4574, 8120, 9148, 11435, 16009, 18296, 22870, 32018, 45740, 64036, 66323, 80045, 91480, 128072, 132646, 160090, 265292, 320180, 331615, 464261, 530584, 640360, 663230, 928522, 1326460, 1857044, 2321305, 2652920, 3714088, 4642610, 9285220, 18570440]

約数ペア:

[(1, 18570440), (2, 9285220), (4, 4642610), (5, 3714088), (7, 2652920), (8, 2321305), (10, 1857044), (14, 1326460), (20, 928522), (28, 663230), (29, 640360), (35, 530584), (40, 464261), (56, 331615), (58, 320180), (70, 265292), (116, 160090), (140, 132646), (145, 128072), (203, 91480), (232, 80045), (280, 66323), (290, 64036), (406, 45740), (580, 32018), (812, 22870), (1015, 18296), (1160, 16009), (1624, 11435), (2030, 9148), (2287, 8120), (4060, 4574)]