18995865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1601}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 35064576

約数和(自身を除く): 16068711

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 113, 339, 565, 791, 1601, 1695, 2373, 3955, 4803, 8005, 11207, 11865, 24015, 33621, 56035, 168105, 180913, 542739, 904565, 1266391, 2713695, 3799173, 6331955, 18995865]

約数ペア:

[(1, 18995865), (3, 6331955), (5, 3799173), (7, 2713695), (15, 1266391), (21, 904565), (35, 542739), (105, 180913), (113, 168105), (339, 56035), (565, 33621), (791, 24015), (1601, 11865), (1695, 11207), (2373, 8005), (3955, 4803)]