19122345

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 37785600

約数和(自身を除く): 18663255

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 79, 99, 135, 163, 165, 237, 297, 395, 489, 495, 711, 815, 869, 1185, 1467, 1485, 1793, 2133, 2445, 2607, 3555, 4345, 4401, 5379, 7335, 7821, 8965, 10665, 12877, 13035, 16137, 22005, 23463, 26895, 38631, 39105, 48411, 64385, 80685, 115893, 117315, 141647, 193155, 242055, 347679, 424941, 579465, 708235, 1274823, 1738395, 2124705, 3824469, 6374115, 19122345]

約数ペア:

[(1, 19122345), (3, 6374115), (5, 3824469), (9, 2124705), (11, 1738395), (15, 1274823), (27, 708235), (33, 579465), (45, 424941), (55, 347679), (79, 242055), (99, 193155), (135, 141647), (163, 117315), (165, 115893), (237, 80685), (297, 64385), (395, 48411), (489, 39105), (495, 38631), (711, 26895), (815, 23463), (869, 22005), (1185, 16137), (1467, 13035), (1485, 12877), (1793, 10665), (2133, 8965), (2445, 7821), (2607, 7335), (3555, 5379), (4345, 4401)]