2018196978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1\times {\mathrm{821}}^1$

素因数の和:1487

約数の個数: 64

約数和(自身を含む): 4670327808

約数和(自身を除く): 2652130830

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 547, 642, 749, 821, 1094, 1498, 1641, 1642, 2247, 2463, 3282, 3829, 4494, 4926, 5747, 7658, 11487, 11494, 17241, 22974, 34482, 58529, 87847, 117058, 175587, 175694, 263541, 351174, 409703, 449087, 527082, 614929, 819406, 898174, 1229109, 1229858, 1347261, 1844787, 2458218, 2694522, 3143609, 3689574, 6287218, 9430827, 18861654, 48052309, 96104618, 144156927, 288313854, 336366163, 672732326, 1009098489, 2018196978]

約数ペア:

[(1, 2018196978), (2, 1009098489), (3, 672732326), (6, 336366163), (7, 288313854), (14, 144156927), (21, 96104618), (42, 48052309), (107, 18861654), (214, 9430827), (321, 6287218), (547, 3689574), (642, 3143609), (749, 2694522), (821, 2458218), (1094, 1844787), (1498, 1347261), (1641, 1229858), (1642, 1229109), (2247, 898174), (2463, 819406), (3282, 614929), (3829, 527082), (4494, 449087), (4926, 409703), (5747, 351174), (7658, 263541), (11487, 175694), (11494, 175587), (17241, 117058), (22974, 87847), (34482, 58529)]