17978628

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 43352064

約数和(自身を除く): 25373436

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 127, 141, 188, 251, 254, 282, 381, 502, 508, 564, 753, 762, 1004, 1506, 1524, 3012, 5969, 11797, 11938, 17907, 23594, 23876, 31877, 35391, 35814, 47188, 63754, 70782, 71628, 95631, 127508, 141564, 191262, 382524, 1498219, 2996438, 4494657, 5992876, 8989314, 17978628]

約数ペア:

[(1, 17978628), (2, 8989314), (3, 5992876), (4, 4494657), (6, 2996438), (12, 1498219), (47, 382524), (94, 191262), (127, 141564), (141, 127508), (188, 95631), (251, 71628), (254, 70782), (282, 63754), (381, 47188), (502, 35814), (508, 35391), (564, 31877), (753, 23876), (762, 23594), (1004, 17907), (1506, 11938), (1524, 11797), (3012, 5969)]