19636694768

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{1283}}^1\times {\mathrm{2179}}^1$

素因数の和:3909

約数の個数: 40

約数和(自身を含む): 38179996800

約数和(自身を除く): 18543302032

約数列:

[1, 2, 4, 8, 16, 439, 878, 1283, 1756, 2179, 2566, 3512, 4358, 5132, 7024, 8716, 10264, 17432, 20528, 34864, 563237, 956581, 1126474, 1913162, 2252948, 2795657, 3826324, 4505896, 5591314, 7652648, 9011792, 11182628, 15305296, 22365256, 44730512, 1227293423, 2454586846, 4909173692, 9818347384, 19636694768]

約数ペア:

[(1, 19636694768), (2, 9818347384), (4, 4909173692), (8, 2454586846), (16, 1227293423), (439, 44730512), (878, 22365256), (1283, 15305296), (1756, 11182628), (2179, 9011792), (2566, 7652648), (3512, 5591314), (4358, 4505896), (5132, 3826324), (7024, 2795657), (8716, 2252948), (10264, 1913162), (17432, 1126474), (20528, 956581), (34864, 563237)]