19616240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1523}}^1$

素因数の和:1566

約数の個数: 80

約数和(自身を含む): 54425088

約数和(自身を除く): 34808848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1523, 1610, 1840, 2576, 3046, 3220, 6092, 6440, 7615, 10661, 12184, 12880, 15230, 21322, 24368, 30460, 35029, 42644, 53305, 60920, 70058, 85288, 106610, 121840, 140116, 170576, 175145, 213220, 245203, 280232, 350290, 426440, 490406, 560464, 700580, 852880, 980812, 1226015, 1401160, 1961624, 2452030, 2802320, 3923248, 4904060, 9808120, 19616240]

約数ペア:

[(1, 19616240), (2, 9808120), (4, 4904060), (5, 3923248), (7, 2802320), (8, 2452030), (10, 1961624), (14, 1401160), (16, 1226015), (20, 980812), (23, 852880), (28, 700580), (35, 560464), (40, 490406), (46, 426440), (56, 350290), (70, 280232), (80, 245203), (92, 213220), (112, 175145), (115, 170576), (140, 140116), (161, 121840), (184, 106610), (230, 85288), (280, 70058), (322, 60920), (368, 53305), (460, 42644), (560, 35029), (644, 30460), (805, 24368), (920, 21322), (1288, 15230), (1523, 12880), (1610, 12184), (1840, 10661), (2576, 7615), (3046, 6440), (3220, 6092)]