16889404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 19398596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 53, 76, 106, 133, 212, 266, 371, 532, 599, 742, 1007, 1198, 1484, 2014, 2396, 4028, 4193, 7049, 8386, 11381, 14098, 16772, 22762, 28196, 31747, 45524, 63494, 79667, 126988, 159334, 222229, 318668, 444458, 603193, 888916, 1206386, 2412772, 4222351, 8444702, 16889404]

約数ペア:

[(1, 16889404), (2, 8444702), (4, 4222351), (7, 2412772), (14, 1206386), (19, 888916), (28, 603193), (38, 444458), (53, 318668), (76, 222229), (106, 159334), (133, 126988), (212, 79667), (266, 63494), (371, 45524), (532, 31747), (599, 28196), (742, 22762), (1007, 16772), (1198, 14098), (1484, 11381), (2014, 8386), (2396, 7049), (4028, 4193)]