19016406

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 42831360

約数和(自身を除く): 23814954

約数列:

[1, 2, 3, 6, 9, 18, 43, 79, 86, 129, 158, 237, 258, 311, 387, 474, 622, 711, 774, 933, 1422, 1866, 2799, 3397, 5598, 6794, 10191, 13373, 20382, 24569, 26746, 30573, 40119, 49138, 61146, 73707, 80238, 120357, 147414, 221121, 240714, 442242, 1056467, 2112934, 3169401, 6338802, 9508203, 19016406]

約数ペア:

[(1, 19016406), (2, 9508203), (3, 6338802), (6, 3169401), (9, 2112934), (18, 1056467), (43, 442242), (79, 240714), (86, 221121), (129, 147414), (158, 120357), (237, 80238), (258, 73707), (311, 61146), (387, 49138), (474, 40119), (622, 30573), (711, 26746), (774, 24569), (933, 20382), (1422, 13373), (1866, 10191), (2799, 6794), (3397, 5598)]