18772690

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 35089200

約数和(自身を除く): 16316510

約数列:

[1, 2, 5, 10, 37, 74, 113, 185, 226, 370, 449, 565, 898, 1130, 2245, 4181, 4490, 8362, 16613, 20905, 33226, 41810, 50737, 83065, 101474, 166130, 253685, 507370, 1877269, 3754538, 9386345, 18772690]

約数ペア:

[(1, 18772690), (2, 9386345), (5, 3754538), (10, 1877269), (37, 507370), (74, 253685), (113, 166130), (185, 101474), (226, 83065), (370, 50737), (449, 41810), (565, 33226), (898, 20905), (1130, 16613), (2245, 8362), (4181, 4490)]