19485130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1109}}^1$

素因数の和:1374

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 20794550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1109, 1255, 1757, 2218, 2510, 3514, 5545, 7763, 8785, 11090, 15526, 17570, 38815, 77630, 278359, 556718, 1391795, 1948513, 2783590, 3897026, 9742565, 19485130]

約数ペア:

[(1, 19485130), (2, 9742565), (5, 3897026), (7, 2783590), (10, 1948513), (14, 1391795), (35, 556718), (70, 278359), (251, 77630), (502, 38815), (1109, 17570), (1255, 15526), (1757, 11090), (2218, 8785), (2510, 7763), (3514, 5545)]