19166920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9041}}^1$

素因数の和:9105

約数の個数: 32

約数和(自身を含む): 43944120

約数和(自身を除く): 24777200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 9041, 18082, 36164, 45205, 72328, 90410, 180820, 361640, 479173, 958346, 1916692, 2395865, 3833384, 4791730, 9583460, 19166920]

約数ペア:

[(1, 19166920), (2, 9583460), (4, 4791730), (5, 3833384), (8, 2395865), (10, 1916692), (20, 958346), (40, 479173), (53, 361640), (106, 180820), (212, 90410), (265, 72328), (424, 45205), (530, 36164), (1060, 18082), (2120, 9041)]