19307556

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 50878464

約数和(自身を除く): 31570908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 103, 123, 127, 164, 206, 246, 254, 309, 369, 381, 412, 492, 508, 618, 738, 762, 927, 1143, 1236, 1476, 1524, 1854, 2286, 3708, 4223, 4572, 5207, 8446, 10414, 12669, 13081, 15621, 16892, 20828, 25338, 26162, 31242, 38007, 39243, 46863, 50676, 52324, 62484, 76014, 78486, 93726, 117729, 152028, 156972, 187452, 235458, 470916, 536321, 1072642, 1608963, 2145284, 3217926, 4826889, 6435852, 9653778, 19307556]

約数ペア:

[(1, 19307556), (2, 9653778), (3, 6435852), (4, 4826889), (6, 3217926), (9, 2145284), (12, 1608963), (18, 1072642), (36, 536321), (41, 470916), (82, 235458), (103, 187452), (123, 156972), (127, 152028), (164, 117729), (206, 93726), (246, 78486), (254, 76014), (309, 62484), (369, 52324), (381, 50676), (412, 46863), (492, 39243), (508, 38007), (618, 31242), (738, 26162), (762, 25338), (927, 20828), (1143, 16892), (1236, 15621), (1476, 13081), (1524, 12669), (1854, 10414), (2286, 8446), (3708, 5207), (4223, 4572)]