19640394

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{2957}}^1$

素因数の和:3012

約数の個数: 40

約数和(自身を含む): 45097668

約数和(自身を除く): 25457274

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 2957, 3321, 5914, 6642, 8871, 17742, 26613, 53226, 79839, 121237, 159678, 239517, 242474, 363711, 479034, 727422, 1091133, 2182266, 3273399, 6546798, 9820197, 19640394]

約数ペア:

[(1, 19640394), (2, 9820197), (3, 6546798), (6, 3273399), (9, 2182266), (18, 1091133), (27, 727422), (41, 479034), (54, 363711), (81, 242474), (82, 239517), (123, 159678), (162, 121237), (246, 79839), (369, 53226), (738, 26613), (1107, 17742), (2214, 8871), (2957, 6642), (3321, 5914)]