19389645

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1187}}^1$

素因数の和:1223

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 18531315

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 121, 135, 165, 297, 363, 495, 605, 1089, 1187, 1485, 1815, 3267, 3561, 5445, 5935, 10683, 13057, 16335, 17805, 32049, 39171, 53415, 65285, 117513, 143627, 160245, 195855, 352539, 430881, 587565, 718135, 1292643, 1762695, 2154405, 3877929, 6463215, 19389645]

約数ペア:

[(1, 19389645), (3, 6463215), (5, 3877929), (9, 2154405), (11, 1762695), (15, 1292643), (27, 718135), (33, 587565), (45, 430881), (55, 352539), (99, 195855), (121, 160245), (135, 143627), (165, 117513), (297, 65285), (363, 53415), (495, 39171), (605, 32049), (1089, 17805), (1187, 16335), (1485, 13057), (1815, 10683), (3267, 5935), (3561, 5445)]