18426608421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1567}}^1\times {\mathrm{5689}}^1$

素因数の和:7325

約数の個数: 32

約数和(自身を含む): 26979886080

約数和(自身を除く): 8553277659

約数列:

[1, 3, 13, 39, 53, 159, 689, 1567, 2067, 4701, 5689, 17067, 20371, 61113, 73957, 83051, 221871, 249153, 301517, 904551, 1079663, 3238989, 3919721, 8914663, 11759163, 26743989, 115890619, 347671857, 472477139, 1417431417, 6142202807, 18426608421]

約数ペア:

[(1, 18426608421), (3, 6142202807), (13, 1417431417), (39, 472477139), (53, 347671857), (159, 115890619), (689, 26743989), (1567, 11759163), (2067, 8914663), (4701, 3919721), (5689, 3238989), (17067, 1079663), (20371, 904551), (61113, 301517), (73957, 249153), (83051, 221871)]