19867710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 29483970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 83, 101, 158, 166, 202, 237, 249, 303, 395, 415, 474, 498, 505, 606, 790, 830, 1010, 1185, 1245, 1515, 2370, 2490, 3030, 6557, 7979, 8383, 13114, 15958, 16766, 19671, 23937, 25149, 32785, 39342, 39895, 41915, 47874, 50298, 65570, 79790, 83830, 98355, 119685, 125745, 196710, 239370, 251490, 662257, 1324514, 1986771, 3311285, 3973542, 6622570, 9933855, 19867710]

約数ペア:

[(1, 19867710), (2, 9933855), (3, 6622570), (5, 3973542), (6, 3311285), (10, 1986771), (15, 1324514), (30, 662257), (79, 251490), (83, 239370), (101, 196710), (158, 125745), (166, 119685), (202, 98355), (237, 83830), (249, 79790), (303, 65570), (395, 50298), (415, 47874), (474, 41915), (498, 39895), (505, 39342), (606, 32785), (790, 25149), (830, 23937), (1010, 19671), (1185, 16766), (1245, 15958), (1515, 13114), (2370, 8383), (2490, 7979), (3030, 6557)]