16081828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 35673792

約数和(自身を除く): 19591964

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 43, 74, 76, 86, 133, 148, 172, 259, 266, 301, 361, 518, 532, 602, 703, 722, 817, 1036, 1204, 1406, 1444, 1591, 1634, 2527, 2812, 3182, 3268, 4921, 5054, 5719, 6364, 9842, 10108, 11137, 11438, 13357, 15523, 19684, 22274, 22876, 26714, 30229, 31046, 44548, 53428, 60458, 62092, 93499, 108661, 120916, 186998, 211603, 217322, 373996, 423206, 434644, 574351, 846412, 1148702, 2297404, 4020457, 8040914, 16081828]

約数ペア:

[(1, 16081828), (2, 8040914), (4, 4020457), (7, 2297404), (14, 1148702), (19, 846412), (28, 574351), (37, 434644), (38, 423206), (43, 373996), (74, 217322), (76, 211603), (86, 186998), (133, 120916), (148, 108661), (172, 93499), (259, 62092), (266, 60458), (301, 53428), (361, 44548), (518, 31046), (532, 30229), (602, 26714), (703, 22876), (722, 22274), (817, 19684), (1036, 15523), (1204, 13357), (1406, 11438), (1444, 11137), (1591, 10108), (1634, 9842), (2527, 6364), (2812, 5719), (3182, 5054), (3268, 4921)]