20181279965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2279083}}^1$

素因数の和:2279129

約数の個数: 32

約数和(自身を含む): 31506057216

約数和(自身を除く): 11324777251

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 2279083, 11395415, 15953581, 25069913, 52418909, 79767905, 125349565, 175489391, 262094545, 366932363, 576607999, 877446955, 1834661815, 2883039995, 4036255993, 20181279965]

約数ペア:

[(1, 20181279965), (5, 4036255993), (7, 2883039995), (11, 1834661815), (23, 877446955), (35, 576607999), (55, 366932363), (77, 262094545), (115, 175489391), (161, 125349565), (253, 79767905), (385, 52418909), (805, 25069913), (1265, 15953581), (1771, 11395415), (8855, 2279083)]