19986015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1453}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 36850176

約数和(自身を除く): 16864161

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1453, 1965, 2751, 4359, 4585, 7265, 10171, 13755, 21795, 30513, 50855, 152565, 190343, 571029, 951715, 1332401, 2855145, 3997203, 6662005, 19986015]

約数ペア:

[(1, 19986015), (3, 6662005), (5, 3997203), (7, 2855145), (15, 1332401), (21, 951715), (35, 571029), (105, 190343), (131, 152565), (393, 50855), (655, 30513), (917, 21795), (1453, 13755), (1965, 10171), (2751, 7265), (4359, 4585)]