18291214640

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2754701}}^1$

素因数の和:2754797

約数の個数: 40

約数和(自身を含む): 43039464048

約数和(自身を除く): 24748249408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 2754701, 5509402, 11018804, 13773505, 22037608, 27547010, 44075216, 55094020, 110188040, 220376080, 228640183, 457280366, 914560732, 1143200915, 1829121464, 2286401830, 3658242928, 4572803660, 9145607320, 18291214640]

約数ペア:

[(1, 18291214640), (2, 9145607320), (4, 4572803660), (5, 3658242928), (8, 2286401830), (10, 1829121464), (16, 1143200915), (20, 914560732), (40, 457280366), (80, 228640183), (83, 220376080), (166, 110188040), (332, 55094020), (415, 44075216), (664, 27547010), (830, 22037608), (1328, 13773505), (1660, 11018804), (3320, 5509402), (6640, 2754701)]