19777170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2297}}^1$

素因数の和:2355

約数の個数: 64

約数和(自身を含む): 55593216

約数和(自身を除く): 35816046

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 41, 42, 70, 82, 105, 123, 205, 210, 246, 287, 410, 574, 615, 861, 1230, 1435, 1722, 2297, 2870, 4305, 4594, 6891, 8610, 11485, 13782, 16079, 22970, 32158, 34455, 48237, 68910, 80395, 94177, 96474, 160790, 188354, 241185, 282531, 470885, 482370, 565062, 659239, 941770, 1318478, 1412655, 1977717, 2825310, 3296195, 3955434, 6592390, 9888585, 19777170]

約数ペア:

[(1, 19777170), (2, 9888585), (3, 6592390), (5, 3955434), (6, 3296195), (7, 2825310), (10, 1977717), (14, 1412655), (15, 1318478), (21, 941770), (30, 659239), (35, 565062), (41, 482370), (42, 470885), (70, 282531), (82, 241185), (105, 188354), (123, 160790), (205, 96474), (210, 94177), (246, 80395), (287, 68910), (410, 48237), (574, 34455), (615, 32158), (861, 22970), (1230, 16079), (1435, 13782), (1722, 11485), (2297, 8610), (2870, 6891), (4305, 4594)]