19926830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3697}}^1$

素因数の和:3729

約数の個数: 48

約数和(自身を含む): 45529776

約数和(自身を除く): 25602946

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3697, 5390, 7394, 18485, 25879, 36970, 40667, 51758, 81334, 129395, 181153, 203335, 258790, 284669, 362306, 406670, 569338, 905765, 1423345, 1811530, 1992683, 2846690, 3985366, 9963415, 19926830]

約数ペア:

[(1, 19926830), (2, 9963415), (5, 3985366), (7, 2846690), (10, 1992683), (11, 1811530), (14, 1423345), (22, 905765), (35, 569338), (49, 406670), (55, 362306), (70, 284669), (77, 258790), (98, 203335), (110, 181153), (154, 129395), (245, 81334), (385, 51758), (490, 40667), (539, 36970), (770, 25879), (1078, 18485), (2695, 7394), (3697, 5390)]