19256790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:981

約数の個数: 64

約数和(自身を含む): 53374464

約数和(自身を除く): 34117674

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 535, 642, 749, 857, 1070, 1498, 1605, 1714, 2247, 2571, 3210, 3745, 4285, 4494, 5142, 5999, 7490, 8570, 11235, 11998, 12855, 17997, 22470, 25710, 29995, 35994, 59990, 89985, 91699, 179970, 183398, 275097, 458495, 550194, 641893, 916990, 1283786, 1375485, 1925679, 2750970, 3209465, 3851358, 6418930, 9628395, 19256790]

約数ペア:

[(1, 19256790), (2, 9628395), (3, 6418930), (5, 3851358), (6, 3209465), (7, 2750970), (10, 1925679), (14, 1375485), (15, 1283786), (21, 916990), (30, 641893), (35, 550194), (42, 458495), (70, 275097), (105, 183398), (107, 179970), (210, 91699), (214, 89985), (321, 59990), (535, 35994), (642, 29995), (749, 25710), (857, 22470), (1070, 17997), (1498, 12855), (1605, 11998), (1714, 11235), (2247, 8570), (2571, 7490), (3210, 5999), (3745, 5142), (4285, 4494)]