19216210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2789}}^1$

素因数の和:2862

約数の個数: 32

約数和(自身を含む): 37966320

約数和(自身を除く): 18750110

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 2789, 3445, 5578, 6890, 13945, 27890, 36257, 72514, 147817, 181285, 295634, 362570, 739085, 1478170, 1921621, 3843242, 9608105, 19216210]

約数ペア:

[(1, 19216210), (2, 9608105), (5, 3843242), (10, 1921621), (13, 1478170), (26, 739085), (53, 362570), (65, 295634), (106, 181285), (130, 147817), (265, 72514), (530, 36257), (689, 27890), (1378, 13945), (2789, 6890), (3445, 5578)]