18118804912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{799171}}^1$

素因数の和:799301

約数の個数: 40

約数和(自身を含む): 38152471280

約数和(自身を除く): 20033666368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 11336, 22672, 799171, 1598342, 3196684, 6393368, 10389223, 12786736, 20778446, 41556892, 83113784, 87109639, 166227568, 174219278, 348438556, 696877112, 1132425307, 1393754224, 2264850614, 4529701228, 9059402456, 18118804912]

約数ペア:

[(1, 18118804912), (2, 9059402456), (4, 4529701228), (8, 2264850614), (13, 1393754224), (16, 1132425307), (26, 696877112), (52, 348438556), (104, 174219278), (109, 166227568), (208, 87109639), (218, 83113784), (436, 41556892), (872, 20778446), (1417, 12786736), (1744, 10389223), (2834, 6393368), (5668, 3196684), (11336, 1598342), (22672, 799171)]