18334449

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 34482240

約数和(自身を除く): 16147791

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 53, 57, 63, 119, 133, 153, 159, 171, 289, 323, 357, 371, 399, 477, 867, 901, 969, 1007, 1071, 1113, 1197, 2023, 2261, 2601, 2703, 2907, 3021, 3339, 5491, 6069, 6307, 6783, 7049, 8109, 9063, 15317, 16473, 17119, 18207, 18921, 20349, 21147, 38437, 45951, 49419, 51357, 56763, 63441, 107219, 115311, 119833, 137853, 154071, 291023, 321657, 345933, 359499, 873069, 964971, 1078497, 2037161, 2619207, 6111483, 18334449]

約数ペア:

[(1, 18334449), (3, 6111483), (7, 2619207), (9, 2037161), (17, 1078497), (19, 964971), (21, 873069), (51, 359499), (53, 345933), (57, 321657), (63, 291023), (119, 154071), (133, 137853), (153, 119833), (159, 115311), (171, 107219), (289, 63441), (323, 56763), (357, 51357), (371, 49419), (399, 45951), (477, 38437), (867, 21147), (901, 20349), (969, 18921), (1007, 18207), (1071, 17119), (1113, 16473), (1197, 15317), (2023, 9063), (2261, 8109), (2601, 7049), (2703, 6783), (2907, 6307), (3021, 6069), (3339, 5491)]