18219348

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 53044992

約数和(自身を除く): 34825644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 367, 394, 591, 734, 788, 1101, 1182, 1379, 1468, 1773, 2202, 2364, 2569, 2758, 3303, 3546, 4137, 4404, 5138, 5516, 6606, 7092, 7707, 8274, 10276, 12411, 13212, 15414, 16548, 23121, 24822, 30828, 46242, 49644, 72299, 92484, 144598, 216897, 289196, 433794, 506093, 650691, 867588, 1012186, 1301382, 1518279, 2024372, 2602764, 3036558, 4554837, 6073116, 9109674, 18219348]

約数ペア:

[(1, 18219348), (2, 9109674), (3, 6073116), (4, 4554837), (6, 3036558), (7, 2602764), (9, 2024372), (12, 1518279), (14, 1301382), (18, 1012186), (21, 867588), (28, 650691), (36, 506093), (42, 433794), (63, 289196), (84, 216897), (126, 144598), (197, 92484), (252, 72299), (367, 49644), (394, 46242), (591, 30828), (734, 24822), (788, 23121), (1101, 16548), (1182, 15414), (1379, 13212), (1468, 12411), (1773, 10276), (2202, 8274), (2364, 7707), (2569, 7092), (2758, 6606), (3303, 5516), (3546, 5138), (4137, 4404)]