19692945

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 36391680

約数和(自身を除く): 16698735

約数列:

[1, 3, 5, 9, 15, 23, 45, 53, 69, 115, 159, 207, 265, 345, 359, 477, 795, 1035, 1077, 1219, 1795, 2385, 3231, 3657, 5385, 6095, 8257, 10971, 16155, 18285, 19027, 24771, 41285, 54855, 57081, 74313, 95135, 123855, 171243, 285405, 371565, 437621, 856215, 1312863, 2188105, 3938589, 6564315, 19692945]

約数ペア:

[(1, 19692945), (3, 6564315), (5, 3938589), (9, 2188105), (15, 1312863), (23, 856215), (45, 437621), (53, 371565), (69, 285405), (115, 171243), (159, 123855), (207, 95135), (265, 74313), (345, 57081), (359, 54855), (477, 41285), (795, 24771), (1035, 19027), (1077, 18285), (1219, 16155), (1795, 10971), (2385, 8257), (3231, 6095), (3657, 5385)]