18517284

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 50319360

約数和(自身を除く): 31802076

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 79, 102, 153, 158, 204, 237, 306, 316, 383, 474, 612, 711, 766, 948, 1149, 1343, 1422, 1532, 2298, 2686, 2844, 3447, 4029, 4596, 5372, 6511, 6894, 8058, 12087, 13022, 13788, 16116, 19533, 24174, 26044, 30257, 39066, 48348, 58599, 60514, 78132, 90771, 117198, 121028, 181542, 234396, 272313, 363084, 514369, 544626, 1028738, 1089252, 1543107, 2057476, 3086214, 4629321, 6172428, 9258642, 18517284]

約数ペア:

[(1, 18517284), (2, 9258642), (3, 6172428), (4, 4629321), (6, 3086214), (9, 2057476), (12, 1543107), (17, 1089252), (18, 1028738), (34, 544626), (36, 514369), (51, 363084), (68, 272313), (79, 234396), (102, 181542), (153, 121028), (158, 117198), (204, 90771), (237, 78132), (306, 60514), (316, 58599), (383, 48348), (474, 39066), (612, 30257), (711, 26044), (766, 24174), (948, 19533), (1149, 16116), (1343, 13788), (1422, 13022), (1532, 12087), (2298, 8058), (2686, 6894), (2844, 6511), (3447, 5372), (4029, 4596)]