18787040530

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{1487}}^1$

素因数の和:1843

約数の個数: 64

約数和(自身を含む): 34859911680

約数和(自身を除く): 16072871150

約数列:

[1, 2, 5, 10, 67, 109, 134, 173, 218, 335, 346, 545, 670, 865, 1090, 1487, 1730, 2974, 7303, 7435, 11591, 14606, 14870, 18857, 23182, 36515, 37714, 57955, 73030, 94285, 99629, 115910, 162083, 188570, 199258, 257251, 324166, 498145, 514502, 810415, 996290, 1263419, 1286255, 1620830, 2526838, 2572510, 6317095, 10859561, 12634190, 17235817, 21719122, 28040359, 34471634, 54297805, 56080718, 86179085, 108595610, 140201795, 172358170, 280403590, 1878704053, 3757408106, 9393520265, 18787040530]

約数ペア:

[(1, 18787040530), (2, 9393520265), (5, 3757408106), (10, 1878704053), (67, 280403590), (109, 172358170), (134, 140201795), (173, 108595610), (218, 86179085), (335, 56080718), (346, 54297805), (545, 34471634), (670, 28040359), (865, 21719122), (1090, 17235817), (1487, 12634190), (1730, 10859561), (2974, 6317095), (7303, 2572510), (7435, 2526838), (11591, 1620830), (14606, 1286255), (14870, 1263419), (18857, 996290), (23182, 810415), (36515, 514502), (37714, 498145), (57955, 324166), (73030, 257251), (94285, 199258), (99629, 188570), (115910, 162083)]