190918780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{734303}}^1$

素因数の和:734325

約数の個数: 24

約数和(自身を含む): 431770752

約数和(自身を除く): 240851972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 734303, 1468606, 2937212, 3671515, 7343030, 9545939, 14686060, 19091878, 38183756, 47729695, 95459390, 190918780]

約数ペア:

[(1, 190918780), (2, 95459390), (4, 47729695), (5, 38183756), (10, 19091878), (13, 14686060), (20, 9545939), (26, 7343030), (52, 3671515), (65, 2937212), (130, 1468606), (260, 734303)]