18704244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 49436352

約数和(自身を除く): 30732108

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 169, 276, 299, 338, 401, 507, 598, 676, 802, 897, 1014, 1196, 1203, 1604, 1794, 2028, 2406, 3588, 3887, 4812, 5213, 7774, 9223, 10426, 11661, 15548, 15639, 18446, 20852, 23322, 27669, 31278, 36892, 46644, 55338, 62556, 67769, 110676, 119899, 135538, 203307, 239798, 271076, 359697, 406614, 479596, 719394, 813228, 1438788, 1558687, 3117374, 4676061, 6234748, 9352122, 18704244]

約数ペア:

[(1, 18704244), (2, 9352122), (3, 6234748), (4, 4676061), (6, 3117374), (12, 1558687), (13, 1438788), (23, 813228), (26, 719394), (39, 479596), (46, 406614), (52, 359697), (69, 271076), (78, 239798), (92, 203307), (138, 135538), (156, 119899), (169, 110676), (276, 67769), (299, 62556), (338, 55338), (401, 46644), (507, 36892), (598, 31278), (676, 27669), (802, 23322), (897, 20852), (1014, 18446), (1196, 15639), (1203, 15548), (1604, 11661), (1794, 10426), (2028, 9223), (2406, 7774), (3588, 5213), (3887, 4812)]