18291558

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{461}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 20627322

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 389, 461, 778, 922, 1167, 1383, 2334, 2766, 6613, 7837, 13226, 15674, 19839, 23511, 39678, 47022, 179329, 358658, 537987, 1075974, 3048593, 6097186, 9145779, 18291558]

約数ペア:

[(1, 18291558), (2, 9145779), (3, 6097186), (6, 3048593), (17, 1075974), (34, 537987), (51, 358658), (102, 179329), (389, 47022), (461, 39678), (778, 23511), (922, 19839), (1167, 15674), (1383, 13226), (2334, 7837), (2766, 6613)]