19994568

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1429}}^1$

素因数の和:1502

約数の個数: 64

約数和(自身を含む): 55598400

約数和(自身を除く): 35603832

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1429, 1749, 2332, 2858, 3498, 4287, 4664, 5716, 6996, 8574, 11432, 13992, 15719, 17148, 31438, 34296, 47157, 62876, 75737, 94314, 125752, 151474, 188628, 227211, 302948, 377256, 454422, 605896, 833107, 908844, 1666214, 1817688, 2499321, 3332428, 4998642, 6664856, 9997284, 19994568]

約数ペア:

[(1, 19994568), (2, 9997284), (3, 6664856), (4, 4998642), (6, 3332428), (8, 2499321), (11, 1817688), (12, 1666214), (22, 908844), (24, 833107), (33, 605896), (44, 454422), (53, 377256), (66, 302948), (88, 227211), (106, 188628), (132, 151474), (159, 125752), (212, 94314), (264, 75737), (318, 62876), (424, 47157), (583, 34296), (636, 31438), (1166, 17148), (1272, 15719), (1429, 13992), (1749, 11432), (2332, 8574), (2858, 6996), (3498, 5716), (4287, 4664)]