11951988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 30723840

約数和(自身を除く): 18771852

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 89, 93, 114, 124, 178, 186, 228, 267, 356, 361, 372, 534, 589, 722, 1068, 1083, 1178, 1444, 1691, 1767, 2166, 2356, 2759, 3382, 3534, 4332, 5073, 5518, 6764, 7068, 8277, 10146, 11036, 11191, 16554, 20292, 22382, 32129, 33108, 33573, 44764, 52421, 64258, 67146, 96387, 104842, 128516, 134292, 157263, 192774, 209684, 314526, 385548, 629052, 995999, 1991998, 2987997, 3983996, 5975994, 11951988]

約数ペア:

[(1, 11951988), (2, 5975994), (3, 3983996), (4, 2987997), (6, 1991998), (12, 995999), (19, 629052), (31, 385548), (38, 314526), (57, 209684), (62, 192774), (76, 157263), (89, 134292), (93, 128516), (114, 104842), (124, 96387), (178, 67146), (186, 64258), (228, 52421), (267, 44764), (356, 33573), (361, 33108), (372, 32129), (534, 22382), (589, 20292), (722, 16554), (1068, 11191), (1083, 11036), (1178, 10146), (1444, 8277), (1691, 7068), (1767, 6764), (2166, 5518), (2356, 5073), (2759, 4332), (3382, 3534)]