18049041536

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{20887}}^1$

素因数の和:21101

約数の個数: 64

約数和(自身を含む): 37029410880

約数和(自身を除く): 18980369344

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 157, 172, 314, 344, 628, 688, 1256, 1376, 2512, 2752, 5024, 5504, 6751, 10048, 13502, 20096, 20887, 27004, 41774, 54008, 83548, 108016, 167096, 216032, 334192, 432064, 668384, 864128, 898141, 1336768, 1796282, 2673536, 3279259, 3592564, 6558518, 7185128, 13117036, 14370256, 26234072, 28740512, 52468144, 57481024, 104936288, 114962048, 141008137, 209872576, 282016274, 419745152, 564032548, 1128065096, 2256130192, 4512260384, 9024520768, 18049041536]

約数ペア:

[(1, 18049041536), (2, 9024520768), (4, 4512260384), (8, 2256130192), (16, 1128065096), (32, 564032548), (43, 419745152), (64, 282016274), (86, 209872576), (128, 141008137), (157, 114962048), (172, 104936288), (314, 57481024), (344, 52468144), (628, 28740512), (688, 26234072), (1256, 14370256), (1376, 13117036), (2512, 7185128), (2752, 6558518), (5024, 3592564), (5504, 3279259), (6751, 2673536), (10048, 1796282), (13502, 1336768), (20096, 898141), (20887, 864128), (27004, 668384), (41774, 432064), (54008, 334192), (83548, 216032), (108016, 167096)]