19250885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 26231040

約数和(自身を除く): 6980155

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 229, 391, 731, 989, 1145, 1955, 3655, 3893, 4945, 5267, 9847, 16813, 19465, 26335, 49235, 84065, 89539, 167399, 226481, 447695, 836995, 1132405, 3850177, 19250885]

約数ペア:

[(1, 19250885), (5, 3850177), (17, 1132405), (23, 836995), (43, 447695), (85, 226481), (115, 167399), (215, 89539), (229, 84065), (391, 49235), (731, 26335), (989, 19465), (1145, 16813), (1955, 9847), (3655, 5267), (3893, 4945)]