18664635

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 16171845

約数列:

[1, 3, 5, 11, 15, 31, 33, 41, 55, 89, 93, 123, 155, 165, 205, 267, 341, 445, 451, 465, 615, 979, 1023, 1271, 1335, 1353, 1705, 2255, 2759, 2937, 3649, 3813, 4895, 5115, 6355, 6765, 8277, 10947, 13795, 13981, 14685, 18245, 19065, 30349, 40139, 41385, 41943, 54735, 69905, 91047, 113119, 120417, 151745, 200695, 209715, 339357, 455235, 565595, 602085, 1244309, 1696785, 3732927, 6221545, 18664635]

約数ペア:

[(1, 18664635), (3, 6221545), (5, 3732927), (11, 1696785), (15, 1244309), (31, 602085), (33, 565595), (41, 455235), (55, 339357), (89, 209715), (93, 200695), (123, 151745), (155, 120417), (165, 113119), (205, 91047), (267, 69905), (341, 54735), (445, 41943), (451, 41385), (465, 40139), (615, 30349), (979, 19065), (1023, 18245), (1271, 14685), (1335, 13981), (1353, 13795), (1705, 10947), (2255, 8277), (2759, 6765), (2937, 6355), (3649, 5115), (3813, 4895)]