18953878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 31881600

約数和(自身を除く): 12927722

約数列:

[1, 2, 17, 29, 34, 47, 58, 94, 409, 493, 799, 818, 986, 1363, 1598, 2726, 6953, 11861, 13906, 19223, 23171, 23722, 38446, 46342, 201637, 326791, 403274, 557467, 653582, 1114934, 9476939, 18953878]

約数ペア:

[(1, 18953878), (2, 9476939), (17, 1114934), (29, 653582), (34, 557467), (47, 403274), (58, 326791), (94, 201637), (409, 46342), (493, 38446), (799, 23722), (818, 23171), (986, 19223), (1363, 13906), (1598, 11861), (2726, 6953)]