19780838

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11677}}^1$

素因数の和:11708

約数の個数: 24

約数和(自身を含む): 37276176

約数和(自身を除く): 17495338

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 11677, 23354, 81739, 128447, 163478, 256894, 899129, 1412917, 1798258, 2825834, 9890419, 19780838]

約数ペア:

[(1, 19780838), (2, 9890419), (7, 2825834), (11, 1798258), (14, 1412917), (22, 899129), (77, 256894), (121, 163478), (154, 128447), (242, 81739), (847, 23354), (1694, 11677)]