2078989918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 3503808000

約数和(自身を除く): 1424818082

約数列:

[1, 2, 19, 23, 38, 46, 109, 139, 157, 218, 278, 314, 437, 874, 2071, 2507, 2641, 2983, 3197, 3611, 4142, 5014, 5282, 5966, 6394, 7222, 15151, 17113, 21823, 30302, 34226, 43646, 47633, 60743, 68609, 95266, 121486, 137218, 287869, 325147, 348473, 393599, 414637, 501929, 575738, 650294, 696946, 787198, 829274, 1003858, 2378707, 4757414, 6620987, 7478381, 9536651, 13241974, 14956762, 19073302, 45195433, 54710261, 90390866, 109420522, 1039494959, 2078989918]

約数ペア:

[(1, 2078989918), (2, 1039494959), (19, 109420522), (23, 90390866), (38, 54710261), (46, 45195433), (109, 19073302), (139, 14956762), (157, 13241974), (218, 9536651), (278, 7478381), (314, 6620987), (437, 4757414), (874, 2378707), (2071, 1003858), (2507, 829274), (2641, 787198), (2983, 696946), (3197, 650294), (3611, 575738), (4142, 501929), (5014, 414637), (5282, 393599), (5966, 348473), (6394, 325147), (7222, 287869), (15151, 137218), (17113, 121486), (21823, 95266), (30302, 68609), (34226, 60743), (43646, 47633)]