19351120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 49104000

約数和(自身を除く): 29752880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 439, 464, 551, 580, 760, 878, 1102, 1160, 1520, 1756, 2195, 2204, 2320, 2755, 3512, 4390, 4408, 5510, 7024, 8341, 8780, 8816, 11020, 12731, 16682, 17560, 22040, 25462, 33364, 35120, 41705, 44080, 50924, 63655, 66728, 83410, 101848, 127310, 133456, 166820, 203696, 241889, 254620, 333640, 483778, 509240, 667280, 967556, 1018480, 1209445, 1935112, 2418890, 3870224, 4837780, 9675560, 19351120]

約数ペア:

[(1, 19351120), (2, 9675560), (4, 4837780), (5, 3870224), (8, 2418890), (10, 1935112), (16, 1209445), (19, 1018480), (20, 967556), (29, 667280), (38, 509240), (40, 483778), (58, 333640), (76, 254620), (80, 241889), (95, 203696), (116, 166820), (145, 133456), (152, 127310), (190, 101848), (232, 83410), (290, 66728), (304, 63655), (380, 50924), (439, 44080), (464, 41705), (551, 35120), (580, 33364), (760, 25462), (878, 22040), (1102, 17560), (1160, 16682), (1520, 12731), (1756, 11020), (2195, 8816), (2204, 8780), (2320, 8341), (2755, 7024), (3512, 5510), (4390, 4408)]