19462280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28621}}^1$

素因数の和:28649

約数の個数: 32

約数和(自身を含む): 46367640

約数和(自身を除く): 26905360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28621, 57242, 114484, 143105, 228968, 286210, 486557, 572420, 973114, 1144840, 1946228, 2432785, 3892456, 4865570, 9731140, 19462280]

約数ペア:

[(1, 19462280), (2, 9731140), (4, 4865570), (5, 3892456), (8, 2432785), (10, 1946228), (17, 1144840), (20, 973114), (34, 572420), (40, 486557), (68, 286210), (85, 228968), (136, 143105), (170, 114484), (340, 57242), (680, 28621)]