19804416

素因数分解:

$2^8\times 3^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 53421984

約数和(自身を除く): 33617568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 107, 128, 192, 214, 241, 256, 321, 384, 428, 482, 642, 723, 768, 856, 964, 1284, 1446, 1712, 1928, 2568, 2892, 3424, 3856, 5136, 5784, 6848, 7712, 10272, 11568, 13696, 15424, 20544, 23136, 25787, 27392, 30848, 41088, 46272, 51574, 61696, 77361, 82176, 92544, 103148, 154722, 185088, 206296, 309444, 412592, 618888, 825184, 1237776, 1650368, 2475552, 3300736, 4951104, 6601472, 9902208, 19804416]

約数ペア:

[(1, 19804416), (2, 9902208), (3, 6601472), (4, 4951104), (6, 3300736), (8, 2475552), (12, 1650368), (16, 1237776), (24, 825184), (32, 618888), (48, 412592), (64, 309444), (96, 206296), (107, 185088), (128, 154722), (192, 103148), (214, 92544), (241, 82176), (256, 77361), (321, 61696), (384, 51574), (428, 46272), (482, 41088), (642, 30848), (723, 27392), (768, 25787), (856, 23136), (964, 20544), (1284, 15424), (1446, 13696), (1712, 11568), (1928, 10272), (2568, 7712), (2892, 6848), (3424, 5784), (3856, 5136)]