19506438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 51757056

約数和(自身を除く): 32250618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 53, 63, 69, 106, 126, 127, 138, 159, 161, 207, 254, 318, 322, 371, 381, 414, 477, 483, 742, 762, 889, 954, 966, 1113, 1143, 1219, 1449, 1778, 2226, 2286, 2438, 2667, 2898, 2921, 3339, 3657, 5334, 5842, 6678, 6731, 7314, 8001, 8533, 8763, 10971, 13462, 16002, 17066, 17526, 20193, 20447, 21942, 25599, 26289, 40386, 40894, 47117, 51198, 52578, 60579, 61341, 76797, 94234, 121158, 122682, 141351, 153594, 154813, 184023, 282702, 309626, 368046, 424053, 464439, 848106, 928878, 1083691, 1393317, 2167382, 2786634, 3251073, 6502146, 9753219, 19506438]

約数ペア:

[(1, 19506438), (2, 9753219), (3, 6502146), (6, 3251073), (7, 2786634), (9, 2167382), (14, 1393317), (18, 1083691), (21, 928878), (23, 848106), (42, 464439), (46, 424053), (53, 368046), (63, 309626), (69, 282702), (106, 184023), (126, 154813), (127, 153594), (138, 141351), (159, 122682), (161, 121158), (207, 94234), (254, 76797), (318, 61341), (322, 60579), (371, 52578), (381, 51198), (414, 47117), (477, 40894), (483, 40386), (742, 26289), (762, 25599), (889, 21942), (954, 20447), (966, 20193), (1113, 17526), (1143, 17066), (1219, 16002), (1449, 13462), (1778, 10971), (2226, 8763), (2286, 8533), (2438, 8001), (2667, 7314), (2898, 6731), (2921, 6678), (3339, 5842), (3657, 5334)]