18327720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{937}}^1$

素因数の和:1114

約数の個数: 64

約数和(自身を含む): 55379520

約数和(自身を除く): 37051800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 937, 978, 1304, 1630, 1874, 1956, 2445, 2811, 3260, 3748, 3912, 4685, 4890, 5622, 6520, 7496, 9370, 9780, 11244, 14055, 18740, 19560, 22488, 28110, 37480, 56220, 112440, 152731, 305462, 458193, 610924, 763655, 916386, 1221848, 1527310, 1832772, 2290965, 3054620, 3665544, 4581930, 6109240, 9163860, 18327720]

約数ペア:

[(1, 18327720), (2, 9163860), (3, 6109240), (4, 4581930), (5, 3665544), (6, 3054620), (8, 2290965), (10, 1832772), (12, 1527310), (15, 1221848), (20, 916386), (24, 763655), (30, 610924), (40, 458193), (60, 305462), (120, 152731), (163, 112440), (326, 56220), (489, 37480), (652, 28110), (815, 22488), (937, 19560), (978, 18740), (1304, 14055), (1630, 11244), (1874, 9780), (1956, 9370), (2445, 7496), (2811, 6520), (3260, 5622), (3748, 4890), (3912, 4685)]