18400626

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 42344640

約数和(自身を除く): 23944014

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 173, 311, 342, 346, 519, 622, 933, 1038, 1557, 1866, 2799, 3114, 3287, 5598, 5909, 6574, 9861, 11818, 17727, 19722, 29583, 35454, 53181, 53803, 59166, 106362, 107606, 161409, 322818, 484227, 968454, 1022257, 2044514, 3066771, 6133542, 9200313, 18400626]

約数ペア:

[(1, 18400626), (2, 9200313), (3, 6133542), (6, 3066771), (9, 2044514), (18, 1022257), (19, 968454), (38, 484227), (57, 322818), (114, 161409), (171, 107606), (173, 106362), (311, 59166), (342, 53803), (346, 53181), (519, 35454), (622, 29583), (933, 19722), (1038, 17727), (1557, 11818), (1866, 9861), (2799, 6574), (3114, 5909), (3287, 5598)]