19817096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2141}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 40483800

約数和(自身を除く): 20666704

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2141, 2314, 4282, 4628, 8564, 9256, 17128, 27833, 55666, 111332, 190549, 222664, 381098, 762196, 1524392, 2477137, 4954274, 9908548, 19817096]

約数ペア:

[(1, 19817096), (2, 9908548), (4, 4954274), (8, 2477137), (13, 1524392), (26, 762196), (52, 381098), (89, 222664), (104, 190549), (178, 111332), (356, 55666), (712, 27833), (1157, 17128), (2141, 9256), (2314, 8564), (4282, 4628)]