18536628

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 49926240

約数和(自身を除く): 31389612

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 361, 389, 418, 627, 722, 778, 836, 1083, 1167, 1254, 1444, 1556, 2166, 2334, 2508, 3971, 4279, 4332, 4668, 7391, 7942, 8558, 11913, 12837, 14782, 15884, 17116, 22173, 23826, 25674, 29564, 44346, 47652, 51348, 81301, 88692, 140429, 162602, 243903, 280858, 325204, 421287, 487806, 561716, 842574, 975612, 1544719, 1685148, 3089438, 4634157, 6178876, 9268314, 18536628]

約数ペア:

[(1, 18536628), (2, 9268314), (3, 6178876), (4, 4634157), (6, 3089438), (11, 1685148), (12, 1544719), (19, 975612), (22, 842574), (33, 561716), (38, 487806), (44, 421287), (57, 325204), (66, 280858), (76, 243903), (114, 162602), (132, 140429), (209, 88692), (228, 81301), (361, 51348), (389, 47652), (418, 44346), (627, 29564), (722, 25674), (778, 23826), (836, 22173), (1083, 17116), (1167, 15884), (1254, 14782), (1444, 12837), (1556, 11913), (2166, 8558), (2334, 7942), (2508, 7391), (3971, 4668), (4279, 4332)]