18540070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 35121600

約数和(自身を除く): 16581530

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 541, 745, 1082, 1490, 2705, 3427, 5410, 6854, 12443, 17135, 24886, 34270, 62215, 80609, 124430, 161218, 403045, 806090, 1854007, 3708014, 9270035, 18540070]

約数ペア:

[(1, 18540070), (2, 9270035), (5, 3708014), (10, 1854007), (23, 806090), (46, 403045), (115, 161218), (149, 124430), (230, 80609), (298, 62215), (541, 34270), (745, 24886), (1082, 17135), (1490, 12443), (2705, 6854), (3427, 5410)]