18021430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2549}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 37454400

約数和(自身を除く): 19432970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 2549, 3535, 5098, 7070, 12745, 17843, 25490, 35686, 89215, 178430, 257449, 514898, 1287245, 1802143, 2574490, 3604286, 9010715, 18021430]

約数ペア:

[(1, 18021430), (2, 9010715), (5, 3604286), (7, 2574490), (10, 1802143), (14, 1287245), (35, 514898), (70, 257449), (101, 178430), (202, 89215), (505, 35686), (707, 25490), (1010, 17843), (1414, 12745), (2549, 7070), (3535, 5098)]