19642680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54563}}^1$

素因数の和:54580

約数の個数: 48

約数和(自身を含む): 63839880

約数和(自身を除く): 44197200

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, 54563, 109126, 163689, 218252, 272815, 327378, 436504, 491067, 545630, 654756, 818445, 982134, 1091260, 1309512, 1636890, 1964268, 2182520, 2455335, 3273780, 3928536, 4910670, 6547560, 9821340, 19642680]

約数ペア:

[(1, 19642680), (2, 9821340), (3, 6547560), (4, 4910670), (5, 3928536), (6, 3273780), (8, 2455335), (9, 2182520), (10, 1964268), (12, 1636890), (15, 1309512), (18, 1091260), (20, 982134), (24, 818445), (30, 654756), (36, 545630), (40, 491067), (45, 436504), (60, 327378), (72, 272815), (90, 218252), (120, 163689), (180, 109126), (360, 54563)]