19306401606

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{65437}}^1$

素因数の和:65925

約数の個数: 48

約数和(自身を含む): 43058727504

約数和(自身を除く): 23752325898

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 443, 666, 886, 1329, 2658, 3987, 7974, 16391, 32782, 49173, 65437, 98346, 130874, 147519, 196311, 295038, 392622, 588933, 1177866, 2421169, 4842338, 7263507, 14527014, 21790521, 28988591, 43581042, 57977182, 86965773, 173931546, 260897319, 521794638, 1072577867, 2145155734, 3217733601, 6435467202, 9653200803, 19306401606]

約数ペア:

[(1, 19306401606), (2, 9653200803), (3, 6435467202), (6, 3217733601), (9, 2145155734), (18, 1072577867), (37, 521794638), (74, 260897319), (111, 173931546), (222, 86965773), (333, 57977182), (443, 43581042), (666, 28988591), (886, 21790521), (1329, 14527014), (2658, 7263507), (3987, 4842338), (7974, 2421169), (16391, 1177866), (32782, 588933), (49173, 392622), (65437, 295038), (98346, 196311), (130874, 147519)]