16988478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{617}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 36753696

約数和(自身を除く): 19765218

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 353, 617, 706, 1059, 1234, 1851, 2118, 3702, 4589, 8021, 9178, 13767, 16042, 24063, 27534, 48126, 217801, 435602, 653403, 1306806, 2831413, 5662826, 8494239, 16988478]

約数ペア:

[(1, 16988478), (2, 8494239), (3, 5662826), (6, 2831413), (13, 1306806), (26, 653403), (39, 435602), (78, 217801), (353, 48126), (617, 27534), (706, 24063), (1059, 16042), (1234, 13767), (1851, 9178), (2118, 8021), (3702, 4589)]