19230705

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 36481536

約数和(自身を除く): 17250831

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 463, 585, 639, 923, 1065, 1389, 2315, 2769, 3195, 4167, 4615, 6019, 6945, 8307, 13845, 18057, 20835, 30095, 32873, 41535, 54171, 90285, 98619, 164365, 270855, 295857, 427349, 493095, 1282047, 1479285, 2136745, 3846141, 6410235, 19230705]

約数ペア:

[(1, 19230705), (3, 6410235), (5, 3846141), (9, 2136745), (13, 1479285), (15, 1282047), (39, 493095), (45, 427349), (65, 295857), (71, 270855), (117, 164365), (195, 98619), (213, 90285), (355, 54171), (463, 41535), (585, 32873), (639, 30095), (923, 20835), (1065, 18057), (1389, 13845), (2315, 8307), (2769, 6945), (3195, 6019), (4167, 4615)]