19131320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36791}}^1$

素因数の和:36815

約数の個数: 32

約数和(自身を含む): 46357920

約数和(自身を除く): 27226600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 36791, 73582, 147164, 183955, 294328, 367910, 478283, 735820, 956566, 1471640, 1913132, 2391415, 3826264, 4782830, 9565660, 19131320]

約数ペア:

[(1, 19131320), (2, 9565660), (4, 4782830), (5, 3826264), (8, 2391415), (10, 1913132), (13, 1471640), (20, 956566), (26, 735820), (40, 478283), (52, 367910), (65, 294328), (104, 183955), (130, 147164), (260, 73582), (520, 36791)]