19936440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{701}}^1$

素因数の和:797

約数の個数: 96

約数和(自身を含む): 65707200

約数和(自身を除く): 45770760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 79, 90, 120, 158, 180, 237, 316, 360, 395, 474, 632, 701, 711, 790, 948, 1185, 1402, 1422, 1580, 1896, 2103, 2370, 2804, 2844, 3160, 3505, 3555, 4206, 4740, 5608, 5688, 6309, 7010, 7110, 8412, 9480, 10515, 12618, 14020, 14220, 16824, 21030, 25236, 28040, 28440, 31545, 42060, 50472, 55379, 63090, 84120, 110758, 126180, 166137, 221516, 252360, 276895, 332274, 443032, 498411, 553790, 664548, 830685, 996822, 1107580, 1329096, 1661370, 1993644, 2215160, 2492055, 3322740, 3987288, 4984110, 6645480, 9968220, 19936440]

約数ペア:

[(1, 19936440), (2, 9968220), (3, 6645480), (4, 4984110), (5, 3987288), (6, 3322740), (8, 2492055), (9, 2215160), (10, 1993644), (12, 1661370), (15, 1329096), (18, 1107580), (20, 996822), (24, 830685), (30, 664548), (36, 553790), (40, 498411), (45, 443032), (60, 332274), (72, 276895), (79, 252360), (90, 221516), (120, 166137), (158, 126180), (180, 110758), (237, 84120), (316, 63090), (360, 55379), (395, 50472), (474, 42060), (632, 31545), (701, 28440), (711, 28040), (790, 25236), (948, 21030), (1185, 16824), (1402, 14220), (1422, 14020), (1580, 12618), (1896, 10515), (2103, 9480), (2370, 8412), (2804, 7110), (2844, 7010), (3160, 6309), (3505, 5688), (3555, 5608), (4206, 4740)]