18971082

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 49533120

約数和(自身を除く): 30562038

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 117, 153, 171, 221, 234, 247, 251, 306, 323, 342, 442, 494, 502, 646, 663, 741, 753, 969, 1326, 1482, 1506, 1938, 1989, 2223, 2259, 2907, 3263, 3978, 4199, 4267, 4446, 4518, 4769, 5814, 6526, 8398, 8534, 9538, 9789, 12597, 12801, 14307, 19578, 25194, 25602, 28614, 29367, 37791, 38403, 42921, 55471, 58734, 61997, 75582, 76806, 81073, 85842, 110942, 123994, 162146, 166413, 185991, 243219, 332826, 371982, 486438, 499239, 557973, 729657, 998478, 1053949, 1115946, 1459314, 2107898, 3161847, 6323694, 9485541, 18971082]

約数ペア:

[(1, 18971082), (2, 9485541), (3, 6323694), (6, 3161847), (9, 2107898), (13, 1459314), (17, 1115946), (18, 1053949), (19, 998478), (26, 729657), (34, 557973), (38, 499239), (39, 486438), (51, 371982), (57, 332826), (78, 243219), (102, 185991), (114, 166413), (117, 162146), (153, 123994), (171, 110942), (221, 85842), (234, 81073), (247, 76806), (251, 75582), (306, 61997), (323, 58734), (342, 55471), (442, 42921), (494, 38403), (502, 37791), (646, 29367), (663, 28614), (741, 25602), (753, 25194), (969, 19578), (1326, 14307), (1482, 12801), (1506, 12597), (1938, 9789), (1989, 9538), (2223, 8534), (2259, 8398), (2907, 6526), (3263, 5814), (3978, 4769), (4199, 4518), (4267, 4446)]