19580645

素因数分解:

$5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 27531000

約数和(自身を除く): 7950355

約数列:

[1, 5, 7, 35, 49, 229, 245, 349, 1145, 1603, 1745, 2443, 8015, 11221, 12215, 17101, 56105, 79921, 85505, 399605, 559447, 2797235, 3916129, 19580645]

約数ペア:

[(1, 19580645), (5, 3916129), (7, 2797235), (35, 559447), (49, 399605), (229, 85505), (245, 79921), (349, 56105), (1145, 17101), (1603, 12215), (1745, 11221), (2443, 8015)]