18980934

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 46310400

約数和(自身を除く): 27329466

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 49, 69, 98, 138, 147, 161, 294, 322, 343, 401, 483, 686, 802, 966, 1029, 1127, 1203, 2058, 2254, 2406, 2807, 3381, 5614, 6762, 7889, 8421, 9223, 15778, 16842, 18446, 19649, 23667, 27669, 39298, 47334, 55338, 58947, 64561, 117894, 129122, 137543, 193683, 275086, 387366, 412629, 451927, 825258, 903854, 1355781, 2711562, 3163489, 6326978, 9490467, 18980934]

約数ペア:

[(1, 18980934), (2, 9490467), (3, 6326978), (6, 3163489), (7, 2711562), (14, 1355781), (21, 903854), (23, 825258), (42, 451927), (46, 412629), (49, 387366), (69, 275086), (98, 193683), (138, 137543), (147, 129122), (161, 117894), (294, 64561), (322, 58947), (343, 55338), (401, 47334), (483, 39298), (686, 27669), (802, 23667), (966, 19649), (1029, 18446), (1127, 16842), (1203, 15778), (2058, 9223), (2254, 8421), (2406, 7889), (2807, 6762), (3381, 5614)]