19220775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 37521408

約数和(自身を除く): 18300633

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 93, 105, 155, 175, 217, 465, 525, 651, 775, 1085, 1181, 2325, 3255, 3543, 5425, 5905, 8267, 16275, 17715, 24801, 29525, 36611, 41335, 88575, 109833, 124005, 183055, 206675, 256277, 549165, 620025, 768831, 915275, 1281385, 2745825, 3844155, 6406925, 19220775]

約数ペア:

[(1, 19220775), (3, 6406925), (5, 3844155), (7, 2745825), (15, 1281385), (21, 915275), (25, 768831), (31, 620025), (35, 549165), (75, 256277), (93, 206675), (105, 183055), (155, 124005), (175, 109833), (217, 88575), (465, 41335), (525, 36611), (651, 29525), (775, 24801), (1085, 17715), (1181, 16275), (2325, 8267), (3255, 5905), (3543, 5425)]