18443390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7121}}^1$

素因数の和:7172

約数の個数: 32

約数和(自身を含む): 38971584

約数和(自身を除く): 20528194

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7121, 14242, 35605, 49847, 71210, 99694, 249235, 263477, 498470, 526954, 1317385, 1844339, 2634770, 3688678, 9221695, 18443390]

約数ペア:

[(1, 18443390), (2, 9221695), (5, 3688678), (7, 2634770), (10, 1844339), (14, 1317385), (35, 526954), (37, 498470), (70, 263477), (74, 249235), (185, 99694), (259, 71210), (370, 49847), (518, 35605), (1295, 14242), (2590, 7121)]