19530250

素因数分解:

$2^1\times 5^3\times {\mathrm{78121}}^1$

素因数の和:78138

約数の個数: 16

約数和(自身を含む): 36561096

約数和(自身を除く): 17030846

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 78121, 156242, 390605, 781210, 1953025, 3906050, 9765125, 19530250]

約数ペア:

[(1, 19530250), (2, 9765125), (5, 3906050), (10, 1953025), (25, 781210), (50, 390605), (125, 156242), (250, 78121)]