17996987148

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{72701}}^1$

素因数の和:73143

約数の個数: 72

約数和(自身を含む): 48965669424

約数和(自身を除く): 30968682276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 421, 588, 842, 1263, 1684, 2526, 2947, 5052, 5894, 8841, 11788, 17682, 20629, 35364, 41258, 61887, 72701, 82516, 123774, 145402, 218103, 247548, 290804, 436206, 508907, 872412, 1017814, 1526721, 2035628, 3053442, 3562349, 6106884, 7124698, 10687047, 14249396, 21374094, 30607121, 42748188, 61214242, 91821363, 122428484, 183642726, 214249847, 367285452, 428499694, 642749541, 856999388, 1285499082, 1499748929, 2570998164, 2999497858, 4499246787, 5998995716, 8998493574, 17996987148]

約数ペア:

[(1, 17996987148), (2, 8998493574), (3, 5998995716), (4, 4499246787), (6, 2999497858), (7, 2570998164), (12, 1499748929), (14, 1285499082), (21, 856999388), (28, 642749541), (42, 428499694), (49, 367285452), (84, 214249847), (98, 183642726), (147, 122428484), (196, 91821363), (294, 61214242), (421, 42748188), (588, 30607121), (842, 21374094), (1263, 14249396), (1684, 10687047), (2526, 7124698), (2947, 6106884), (5052, 3562349), (5894, 3053442), (8841, 2035628), (11788, 1526721), (17682, 1017814), (20629, 872412), (35364, 508907), (41258, 436206), (61887, 290804), (72701, 247548), (82516, 218103), (123774, 145402)]