18716852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 41491968

約数和(自身を除く): 22775116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 907, 938, 1474, 1814, 1876, 2948, 3628, 5159, 6349, 9977, 10318, 12698, 19954, 20636, 25396, 39908, 60769, 69839, 121538, 139678, 243076, 279356, 425383, 668459, 850766, 1336918, 1701532, 2673836, 4679213, 9358426, 18716852]

約数ペア:

[(1, 18716852), (2, 9358426), (4, 4679213), (7, 2673836), (11, 1701532), (14, 1336918), (22, 850766), (28, 668459), (44, 425383), (67, 279356), (77, 243076), (134, 139678), (154, 121538), (268, 69839), (308, 60769), (469, 39908), (737, 25396), (907, 20636), (938, 19954), (1474, 12698), (1814, 10318), (1876, 9977), (2948, 6349), (3628, 5159)]