2018979430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{5087}}^1$

素因数の和:5221

約数の個数: 64

約数和(自身を含む): 4061933568

約数和(自身を除く): 2042954138

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 71, 86, 130, 142, 215, 355, 430, 559, 710, 923, 1118, 1846, 2795, 3053, 4615, 5087, 5590, 6106, 9230, 10174, 15265, 25435, 30530, 39689, 50870, 66131, 79378, 132262, 198445, 218741, 330655, 361177, 396890, 437482, 661310, 722354, 1093705, 1805885, 2187410, 2843633, 3611770, 4695301, 5687266, 9390602, 14218165, 15530611, 23476505, 28436330, 31061222, 46953010, 77653055, 155306110, 201897943, 403795886, 1009489715, 2018979430]

約数ペア:

[(1, 2018979430), (2, 1009489715), (5, 403795886), (10, 201897943), (13, 155306110), (26, 77653055), (43, 46953010), (65, 31061222), (71, 28436330), (86, 23476505), (130, 15530611), (142, 14218165), (215, 9390602), (355, 5687266), (430, 4695301), (559, 3611770), (710, 2843633), (923, 2187410), (1118, 1805885), (1846, 1093705), (2795, 722354), (3053, 661310), (4615, 437482), (5087, 396890), (5590, 361177), (6106, 330655), (9230, 218741), (10174, 198445), (15265, 132262), (25435, 79378), (30530, 66131), (39689, 50870)]