19715752

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 44835840

約数和(自身を除く): 25120088

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 41, 56, 62, 82, 124, 164, 217, 248, 277, 287, 328, 434, 554, 574, 868, 1108, 1148, 1271, 1736, 1939, 2216, 2296, 2542, 3878, 5084, 7756, 8587, 8897, 10168, 11357, 15512, 17174, 17794, 22714, 34348, 35588, 45428, 60109, 68696, 71176, 79499, 90856, 120218, 158998, 240436, 317996, 352067, 480872, 635992, 704134, 1408268, 2464469, 2816536, 4928938, 9857876, 19715752]

約数ペア:

[(1, 19715752), (2, 9857876), (4, 4928938), (7, 2816536), (8, 2464469), (14, 1408268), (28, 704134), (31, 635992), (41, 480872), (56, 352067), (62, 317996), (82, 240436), (124, 158998), (164, 120218), (217, 90856), (248, 79499), (277, 71176), (287, 68696), (328, 60109), (434, 45428), (554, 35588), (574, 34348), (868, 22714), (1108, 17794), (1148, 17174), (1271, 15512), (1736, 11357), (1939, 10168), (2216, 8897), (2296, 8587), (2542, 7756), (3878, 5084)]