19812072

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 61067520

約数和(自身を除く): 41255448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 84, 98, 102, 119, 136, 147, 168, 196, 204, 238, 294, 357, 392, 408, 476, 588, 714, 833, 952, 991, 1176, 1428, 1666, 1982, 2499, 2856, 2973, 3332, 3964, 4998, 5946, 6664, 6937, 7928, 9996, 11892, 13874, 16847, 19992, 20811, 23784, 27748, 33694, 41622, 48559, 50541, 55496, 67388, 83244, 97118, 101082, 117929, 134776, 145677, 166488, 194236, 202164, 235858, 291354, 353787, 388472, 404328, 471716, 582708, 707574, 825503, 943432, 1165416, 1415148, 1651006, 2476509, 2830296, 3302012, 4953018, 6604024, 9906036, 19812072]

約数ペア:

[(1, 19812072), (2, 9906036), (3, 6604024), (4, 4953018), (6, 3302012), (7, 2830296), (8, 2476509), (12, 1651006), (14, 1415148), (17, 1165416), (21, 943432), (24, 825503), (28, 707574), (34, 582708), (42, 471716), (49, 404328), (51, 388472), (56, 353787), (68, 291354), (84, 235858), (98, 202164), (102, 194236), (119, 166488), (136, 145677), (147, 134776), (168, 117929), (196, 101082), (204, 97118), (238, 83244), (294, 67388), (357, 55496), (392, 50541), (408, 48559), (476, 41622), (588, 33694), (714, 27748), (833, 23784), (952, 20811), (991, 19992), (1176, 16847), (1428, 13874), (1666, 11892), (1982, 9996), (2499, 7928), (2856, 6937), (2973, 6664), (3332, 5946), (3964, 4998)]