19668352

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 43635600

約数和(自身を除く): 23967248

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 128, 176, 229, 244, 352, 458, 488, 671, 704, 916, 976, 1342, 1408, 1832, 1952, 2519, 2684, 3664, 3904, 5038, 5368, 7328, 7808, 10076, 10736, 13969, 14656, 20152, 21472, 27938, 29312, 40304, 42944, 55876, 80608, 85888, 111752, 153659, 161216, 223504, 307318, 322432, 447008, 614636, 894016, 1229272, 1788032, 2458544, 4917088, 9834176, 19668352]

約数ペア:

[(1, 19668352), (2, 9834176), (4, 4917088), (8, 2458544), (11, 1788032), (16, 1229272), (22, 894016), (32, 614636), (44, 447008), (61, 322432), (64, 307318), (88, 223504), (122, 161216), (128, 153659), (176, 111752), (229, 85888), (244, 80608), (352, 55876), (458, 42944), (488, 40304), (671, 29312), (704, 27938), (916, 21472), (976, 20152), (1342, 14656), (1408, 13969), (1832, 10736), (1952, 10076), (2519, 7808), (2684, 7328), (3664, 5368), (3904, 5038)]