17843980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11587}}^1$

素因数の和:11614

約数の個数: 48

約数和(自身を含む): 46722816

約数和(自身を除く): 28878836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 11587, 23174, 46348, 57935, 81109, 115870, 127457, 162218, 231740, 254914, 324436, 405545, 509828, 637285, 811090, 892199, 1274570, 1622180, 1784398, 2549140, 3568796, 4460995, 8921990, 17843980]

約数ペア:

[(1, 17843980), (2, 8921990), (4, 4460995), (5, 3568796), (7, 2549140), (10, 1784398), (11, 1622180), (14, 1274570), (20, 892199), (22, 811090), (28, 637285), (35, 509828), (44, 405545), (55, 324436), (70, 254914), (77, 231740), (110, 162218), (140, 127457), (154, 115870), (220, 81109), (308, 57935), (385, 46348), (770, 23174), (1540, 11587)]