19425276865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{87931}}^1$

素因数の和:88089

約数の個数: 32

約数和(自身を含む): 25982850816

約数和(自身を除く): 6557573951

約数列:

[1, 5, 17, 23, 85, 113, 115, 391, 565, 1921, 1955, 2599, 9605, 12995, 44183, 87931, 220915, 439655, 1494827, 2022413, 7474135, 9936203, 10112065, 34381021, 49681015, 168915451, 171905105, 228532669, 844577255, 1142663345, 3885055373, 19425276865]

約数ペア:

[(1, 19425276865), (5, 3885055373), (17, 1142663345), (23, 844577255), (85, 228532669), (113, 171905105), (115, 168915451), (391, 49681015), (565, 34381021), (1921, 10112065), (1955, 9936203), (2599, 7474135), (9605, 2022413), (12995, 1494827), (44183, 439655), (87931, 220915)]