18119340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2341}}^1$

素因数の和:2399

約数の個数: 72

約数和(自身を含む): 56264208

約数和(自身を除く): 38144868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2341, 2580, 3870, 4682, 7023, 7740, 9364, 11705, 14046, 21069, 23410, 28092, 35115, 42138, 46820, 70230, 84276, 100663, 105345, 140460, 201326, 210690, 301989, 402652, 421380, 503315, 603978, 905967, 1006630, 1207956, 1509945, 1811934, 2013260, 3019890, 3623868, 4529835, 6039780, 9059670, 18119340]

約数ペア:

[(1, 18119340), (2, 9059670), (3, 6039780), (4, 4529835), (5, 3623868), (6, 3019890), (9, 2013260), (10, 1811934), (12, 1509945), (15, 1207956), (18, 1006630), (20, 905967), (30, 603978), (36, 503315), (43, 421380), (45, 402652), (60, 301989), (86, 210690), (90, 201326), (129, 140460), (172, 105345), (180, 100663), (215, 84276), (258, 70230), (387, 46820), (430, 42138), (516, 35115), (645, 28092), (774, 23410), (860, 21069), (1290, 14046), (1548, 11705), (1935, 9364), (2341, 7740), (2580, 7023), (3870, 4682)]