19912356

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{7577}}^1$

素因数の和:7660

約数の個数: 36

約数和(自身を含む): 51030252

約数和(自身を除く): 31117896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 7577, 15154, 22731, 30308, 45462, 68193, 90924, 136386, 272772, 553121, 1106242, 1659363, 2212484, 3318726, 4978089, 6637452, 9956178, 19912356]

約数ペア:

[(1, 19912356), (2, 9956178), (3, 6637452), (4, 4978089), (6, 3318726), (9, 2212484), (12, 1659363), (18, 1106242), (36, 553121), (73, 272772), (146, 136386), (219, 90924), (292, 68193), (438, 45462), (657, 30308), (876, 22731), (1314, 15154), (2628, 7577)]