18812660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 42954240

約数和(自身を除く): 24141580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 1597, 2356, 2945, 3194, 5890, 6388, 7985, 11780, 15970, 30343, 31940, 49507, 60686, 99014, 121372, 151715, 198028, 247535, 303430, 495070, 606860, 940633, 990140, 1881266, 3762532, 4703165, 9406330, 18812660]

約数ペア:

[(1, 18812660), (2, 9406330), (4, 4703165), (5, 3762532), (10, 1881266), (19, 990140), (20, 940633), (31, 606860), (38, 495070), (62, 303430), (76, 247535), (95, 198028), (124, 151715), (155, 121372), (190, 99014), (310, 60686), (380, 49507), (589, 31940), (620, 30343), (1178, 15970), (1597, 11780), (2356, 7985), (2945, 6388), (3194, 5890)]