18602316

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 49153104

約数和(自身を除く): 30550788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 61, 86, 122, 129, 172, 183, 197, 244, 258, 366, 387, 394, 516, 549, 591, 732, 774, 788, 1098, 1182, 1548, 1773, 2196, 2364, 2623, 3546, 5246, 7092, 7869, 8471, 10492, 12017, 15738, 16942, 23607, 24034, 25413, 31476, 33884, 36051, 47214, 48068, 50826, 72102, 76239, 94428, 101652, 108153, 144204, 152478, 216306, 304956, 432612, 516731, 1033462, 1550193, 2066924, 3100386, 4650579, 6200772, 9301158, 18602316]

約数ペア:

[(1, 18602316), (2, 9301158), (3, 6200772), (4, 4650579), (6, 3100386), (9, 2066924), (12, 1550193), (18, 1033462), (36, 516731), (43, 432612), (61, 304956), (86, 216306), (122, 152478), (129, 144204), (172, 108153), (183, 101652), (197, 94428), (244, 76239), (258, 72102), (366, 50826), (387, 48068), (394, 47214), (516, 36051), (549, 33884), (591, 31476), (732, 25413), (774, 24034), (788, 23607), (1098, 16942), (1182, 15738), (1548, 12017), (1773, 10492), (2196, 8471), (2364, 7869), (2623, 7092), (3546, 5246)]