19200285

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 37425024

約数和(自身を除く): 18224739

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1427, 1495, 2691, 4281, 4485, 7135, 12843, 13455, 18551, 21405, 32821, 55653, 64215, 92755, 98463, 164105, 166959, 278265, 295389, 426673, 492315, 834795, 1280019, 1476945, 2133365, 3840057, 6400095, 19200285]

約数ペア:

[(1, 19200285), (3, 6400095), (5, 3840057), (9, 2133365), (13, 1476945), (15, 1280019), (23, 834795), (39, 492315), (45, 426673), (65, 295389), (69, 278265), (115, 166959), (117, 164105), (195, 98463), (207, 92755), (299, 64215), (345, 55653), (585, 32821), (897, 21405), (1035, 18551), (1427, 13455), (1495, 12843), (2691, 7135), (4281, 4485)]