18631938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4507}}^1$

素因数の和:4578

約数の個数: 32

約数和(自身を含む): 40896576

約数和(自身を除く): 22264638

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 4507, 9014, 13521, 27042, 58591, 117182, 175773, 238871, 351546, 477742, 716613, 1433226, 3105323, 6210646, 9315969, 18631938]

約数ペア:

[(1, 18631938), (2, 9315969), (3, 6210646), (6, 3105323), (13, 1433226), (26, 716613), (39, 477742), (53, 351546), (78, 238871), (106, 175773), (159, 117182), (318, 58591), (689, 27042), (1378, 13521), (2067, 9014), (4134, 4507)]