19007940992

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{110573}}^1$

素因数の和:110683

約数の個数: 64

約数和(自身を含む): 40602772800

約数和(自身を除く): 21594831808

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 128, 136, 158, 272, 316, 544, 632, 1088, 1264, 1343, 2176, 2528, 2686, 5056, 5372, 10112, 10744, 21488, 42976, 85952, 110573, 171904, 221146, 442292, 884584, 1769168, 1879741, 3538336, 3759482, 7076672, 7518964, 8735267, 14153344, 15037928, 17470534, 30075856, 34941068, 60151712, 69882136, 120303424, 139764272, 148499539, 240606848, 279528544, 296999078, 559057088, 593998156, 1118114176, 1187996312, 2375992624, 4751985248, 9503970496, 19007940992]

約数ペア:

[(1, 19007940992), (2, 9503970496), (4, 4751985248), (8, 2375992624), (16, 1187996312), (17, 1118114176), (32, 593998156), (34, 559057088), (64, 296999078), (68, 279528544), (79, 240606848), (128, 148499539), (136, 139764272), (158, 120303424), (272, 69882136), (316, 60151712), (544, 34941068), (632, 30075856), (1088, 17470534), (1264, 15037928), (1343, 14153344), (2176, 8735267), (2528, 7518964), (2686, 7076672), (5056, 3759482), (5372, 3538336), (10112, 1879741), (10744, 1769168), (21488, 884584), (42976, 442292), (85952, 221146), (110573, 171904)]