19518102

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 44226000

約数和(自身を除く): 24707898

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 139, 174, 261, 269, 278, 417, 522, 538, 807, 834, 1251, 1614, 2421, 2502, 4031, 4842, 7801, 8062, 12093, 15602, 23403, 24186, 36279, 37391, 46806, 70209, 72558, 74782, 112173, 140418, 224346, 336519, 673038, 1084339, 2168678, 3253017, 6506034, 9759051, 19518102]

約数ペア:

[(1, 19518102), (2, 9759051), (3, 6506034), (6, 3253017), (9, 2168678), (18, 1084339), (29, 673038), (58, 336519), (87, 224346), (139, 140418), (174, 112173), (261, 74782), (269, 72558), (278, 70209), (417, 46806), (522, 37391), (538, 36279), (807, 24186), (834, 23403), (1251, 15602), (1614, 12093), (2421, 8062), (2502, 7801), (4031, 4842)]