19893240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55259}}^1$

素因数の和:55276

約数の個数: 48

約数和(自身を含む): 64654200

約数和(自身を除く): 44760960

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, 55259, 110518, 165777, 221036, 276295, 331554, 442072, 497331, 552590, 663108, 828885, 994662, 1105180, 1326216, 1657770, 1989324, 2210360, 2486655, 3315540, 3978648, 4973310, 6631080, 9946620, 19893240]

約数ペア:

[(1, 19893240), (2, 9946620), (3, 6631080), (4, 4973310), (5, 3978648), (6, 3315540), (8, 2486655), (9, 2210360), (10, 1989324), (12, 1657770), (15, 1326216), (18, 1105180), (20, 994662), (24, 828885), (30, 663108), (36, 552590), (40, 497331), (45, 442072), (60, 331554), (72, 276295), (90, 221036), (120, 165777), (180, 110518), (360, 55259)]