19664940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1831}}^1$

素因数の和:2022

約数の個数: 48

約数和(自身を含む): 55399680

約数和(自身を除く): 35734740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 1831, 2148, 2685, 3580, 3662, 5370, 5493, 7324, 9155, 10740, 10986, 18310, 21972, 27465, 36620, 54930, 109860, 327749, 655498, 983247, 1310996, 1638745, 1966494, 3277490, 3932988, 4916235, 6554980, 9832470, 19664940]

約数ペア:

[(1, 19664940), (2, 9832470), (3, 6554980), (4, 4916235), (5, 3932988), (6, 3277490), (10, 1966494), (12, 1638745), (15, 1310996), (20, 983247), (30, 655498), (60, 327749), (179, 109860), (358, 54930), (537, 36620), (716, 27465), (895, 21972), (1074, 18310), (1790, 10986), (1831, 10740), (2148, 9155), (2685, 7324), (3580, 5493), (3662, 5370)]