19302525

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{709}}^1$

素因数の和:747

約数の個数: 54

約数和(自身を含む): 38055290

約数和(自身を除く): 18752765

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 165, 225, 275, 363, 495, 605, 709, 825, 1089, 1815, 2127, 2475, 3025, 3545, 5445, 6381, 7799, 9075, 10635, 17725, 23397, 27225, 31905, 38995, 53175, 70191, 85789, 116985, 159525, 194975, 257367, 350955, 428945, 584925, 772101, 1286835, 1754775, 2144725, 3860505, 6434175, 19302525]

約数ペア:

[(1, 19302525), (3, 6434175), (5, 3860505), (9, 2144725), (11, 1754775), (15, 1286835), (25, 772101), (33, 584925), (45, 428945), (55, 350955), (75, 257367), (99, 194975), (121, 159525), (165, 116985), (225, 85789), (275, 70191), (363, 53175), (495, 38995), (605, 31905), (709, 27225), (825, 23397), (1089, 17725), (1815, 10635), (2127, 9075), (2475, 7799), (3025, 6381), (3545, 5445)]