18917910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 96

約数和(自身を含む): 54486432

約数和(自身を除く): 35568522

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 97, 99, 110, 165, 194, 197, 198, 291, 330, 394, 485, 495, 582, 591, 873, 970, 985, 990, 1067, 1182, 1455, 1746, 1773, 1970, 2134, 2167, 2910, 2955, 3201, 3546, 4334, 4365, 5335, 5910, 6402, 6501, 8730, 8865, 9603, 10670, 10835, 13002, 16005, 17730, 19109, 19206, 19503, 21670, 32010, 32505, 38218, 39006, 48015, 57327, 65010, 95545, 96030, 97515, 114654, 171981, 191090, 195030, 210199, 286635, 343962, 420398, 573270, 630597, 859905, 1050995, 1261194, 1719810, 1891791, 2101990, 3152985, 3783582, 6305970, 9458955, 18917910]

約数ペア:

[(1, 18917910), (2, 9458955), (3, 6305970), (5, 3783582), (6, 3152985), (9, 2101990), (10, 1891791), (11, 1719810), (15, 1261194), (18, 1050995), (22, 859905), (30, 630597), (33, 573270), (45, 420398), (55, 343962), (66, 286635), (90, 210199), (97, 195030), (99, 191090), (110, 171981), (165, 114654), (194, 97515), (197, 96030), (198, 95545), (291, 65010), (330, 57327), (394, 48015), (485, 39006), (495, 38218), (582, 32505), (591, 32010), (873, 21670), (970, 19503), (985, 19206), (990, 19109), (1067, 17730), (1182, 16005), (1455, 13002), (1746, 10835), (1773, 10670), (1970, 9603), (2134, 8865), (2167, 8730), (2910, 6501), (2955, 6402), (3201, 5910), (3546, 5335), (4334, 4365)]