19209078

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{751}}^1$

素因数の和:802

約数の個数: 72

約数和(自身を含む): 50150880

約数和(自身を除く): 30941802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 126, 147, 174, 203, 261, 294, 406, 441, 522, 609, 751, 882, 1218, 1421, 1502, 1827, 2253, 2842, 3654, 4263, 4506, 5257, 6759, 8526, 10514, 12789, 13518, 15771, 21779, 25578, 31542, 36799, 43558, 47313, 65337, 73598, 94626, 110397, 130674, 152453, 196011, 220794, 304906, 331191, 392022, 457359, 662382, 914718, 1067171, 1372077, 2134342, 2744154, 3201513, 6403026, 9604539, 19209078]

約数ペア:

[(1, 19209078), (2, 9604539), (3, 6403026), (6, 3201513), (7, 2744154), (9, 2134342), (14, 1372077), (18, 1067171), (21, 914718), (29, 662382), (42, 457359), (49, 392022), (58, 331191), (63, 304906), (87, 220794), (98, 196011), (126, 152453), (147, 130674), (174, 110397), (203, 94626), (261, 73598), (294, 65337), (406, 47313), (441, 43558), (522, 36799), (609, 31542), (751, 25578), (882, 21779), (1218, 15771), (1421, 13518), (1502, 12789), (1827, 10514), (2253, 8526), (2842, 6759), (3654, 5257), (4263, 4506)]