19215720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53377}}^1$

素因数の和:53394

約数の個数: 48

約数和(自身を含む): 62452260

約数和(自身を除く): 43236540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 53377, 106754, 160131, 213508, 266885, 320262, 427016, 480393, 533770, 640524, 800655, 960786, 1067540, 1281048, 1601310, 1921572, 2135080, 2401965, 3202620, 3843144, 4803930, 6405240, 9607860, 19215720]

約数ペア:

[(1, 19215720), (2, 9607860), (3, 6405240), (4, 4803930), (5, 3843144), (6, 3202620), (8, 2401965), (9, 2135080), (10, 1921572), (12, 1601310), (15, 1281048), (18, 1067540), (20, 960786), (24, 800655), (30, 640524), (36, 533770), (40, 480393), (45, 427016), (60, 320262), (72, 266885), (90, 213508), (120, 160131), (180, 106754), (360, 53377)]