1816628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 3810240

約数和(自身を除く): 1993612

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 53, 76, 82, 106, 164, 209, 212, 418, 451, 583, 779, 836, 902, 1007, 1166, 1558, 1804, 2014, 2173, 2332, 3116, 4028, 4346, 8569, 8692, 11077, 17138, 22154, 23903, 34276, 41287, 44308, 47806, 82574, 95612, 165148, 454157, 908314, 1816628]

約数ペア:

[(1, 1816628), (2, 908314), (4, 454157), (11, 165148), (19, 95612), (22, 82574), (38, 47806), (41, 44308), (44, 41287), (53, 34276), (76, 23903), (82, 22154), (106, 17138), (164, 11077), (209, 8692), (212, 8569), (418, 4346), (451, 4028), (583, 3116), (779, 2332), (836, 2173), (902, 2014), (1007, 1804), (1166, 1558)]