18350409

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 33269760

約数和(自身を除く): 14919351

約数列:

[1, 3, 7, 11, 19, 21, 33, 37, 57, 77, 111, 113, 133, 209, 231, 259, 339, 399, 407, 627, 703, 777, 791, 1221, 1243, 1463, 2109, 2147, 2373, 2849, 3729, 4181, 4389, 4921, 6441, 7733, 8547, 8701, 12543, 14763, 15029, 23199, 23617, 26103, 29267, 45087, 45991, 54131, 70851, 79439, 87801, 137973, 162393, 165319, 238317, 321937, 495957, 556073, 873829, 965811, 1668219, 2621487, 6116803, 18350409]

約数ペア:

[(1, 18350409), (3, 6116803), (7, 2621487), (11, 1668219), (19, 965811), (21, 873829), (33, 556073), (37, 495957), (57, 321937), (77, 238317), (111, 165319), (113, 162393), (133, 137973), (209, 87801), (231, 79439), (259, 70851), (339, 54131), (399, 45991), (407, 45087), (627, 29267), (703, 26103), (777, 23617), (791, 23199), (1221, 15029), (1243, 14763), (1463, 12543), (2109, 8701), (2147, 8547), (2373, 7733), (2849, 6441), (3729, 4921), (4181, 4389)]