18087476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 36747648

約数和(自身を除く): 18660172

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 61, 92, 122, 244, 253, 293, 506, 586, 671, 1012, 1172, 1342, 1403, 2684, 2806, 3223, 5612, 6446, 6739, 12892, 13478, 15433, 17873, 26956, 30866, 35746, 61732, 71492, 74129, 148258, 196603, 296516, 393206, 411079, 786412, 822158, 1644316, 4521869, 9043738, 18087476]

約数ペア:

[(1, 18087476), (2, 9043738), (4, 4521869), (11, 1644316), (22, 822158), (23, 786412), (44, 411079), (46, 393206), (61, 296516), (92, 196603), (122, 148258), (244, 74129), (253, 71492), (293, 61732), (506, 35746), (586, 30866), (671, 26956), (1012, 17873), (1172, 15433), (1342, 13478), (1403, 12892), (2684, 6739), (2806, 6446), (3223, 5612)]