19172505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 33758208

約数和(自身を除く): 14585703

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 887, 1441, 1965, 2661, 4323, 4435, 7205, 9757, 13305, 21615, 29271, 48785, 116197, 146355, 348591, 580985, 1278167, 1742955, 3834501, 6390835, 19172505]

約数ペア:

[(1, 19172505), (3, 6390835), (5, 3834501), (11, 1742955), (15, 1278167), (33, 580985), (55, 348591), (131, 146355), (165, 116197), (393, 48785), (655, 29271), (887, 21615), (1441, 13305), (1965, 9757), (2661, 7205), (4323, 4435)]