18259670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^2$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 38958192

約数和(自身を除く): 20698522

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 113, 130, 143, 226, 286, 565, 715, 1130, 1243, 1430, 1469, 2486, 2938, 6215, 7345, 12430, 12769, 14690, 16159, 25538, 32318, 63845, 80795, 127690, 140459, 161590, 165997, 280918, 331994, 702295, 829985, 1404590, 1659970, 1825967, 3651934, 9129835, 18259670]

約数ペア:

[(1, 18259670), (2, 9129835), (5, 3651934), (10, 1825967), (11, 1659970), (13, 1404590), (22, 829985), (26, 702295), (55, 331994), (65, 280918), (110, 165997), (113, 161590), (130, 140459), (143, 127690), (226, 80795), (286, 63845), (565, 32318), (715, 25538), (1130, 16159), (1243, 14690), (1430, 12769), (1469, 12430), (2486, 7345), (2938, 6215)]