18789048278

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6203}}^1$

素因数の和:6342

約数の個数: 128

約数和(自身を含む): 40523535360

約数和(自身を除く): 21734487082

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 77, 89, 91, 119, 143, 154, 178, 182, 187, 221, 238, 286, 374, 442, 623, 979, 1001, 1157, 1246, 1309, 1513, 1547, 1958, 2002, 2314, 2431, 2618, 3026, 3094, 4862, 6203, 6853, 8099, 10591, 12406, 12727, 13706, 16198, 16643, 17017, 19669, 21182, 25454, 33286, 34034, 39338, 43421, 68233, 80639, 86842, 89089, 105451, 116501, 136466, 137683, 161278, 178178, 210902, 216359, 233002, 275366, 432718, 477631, 552067, 564473, 738157, 887029, 955262, 1104134, 1128946, 1159961, 1370863, 1476314, 1514513, 1774058, 2319922, 2741726, 3029026, 3864469, 6072737, 6209203, 7176871, 7728938, 8119727, 9385139, 9596041, 12145474, 12418406, 14353742, 15079493, 16239454, 18770278, 19192082, 30158986, 42509159, 50238097, 65695973, 78945581, 85018318, 100476194, 103236529, 105556451, 122006807, 131391946, 157891162, 206473058, 211112902, 244013614, 552619067, 722655703, 854047649, 1105238134, 1342074877, 1445311406, 1708095298, 2684149754, 9394524139, 18789048278]

約数ペア:

[(1, 18789048278), (2, 9394524139), (7, 2684149754), (11, 1708095298), (13, 1445311406), (14, 1342074877), (17, 1105238134), (22, 854047649), (26, 722655703), (34, 552619067), (77, 244013614), (89, 211112902), (91, 206473058), (119, 157891162), (143, 131391946), (154, 122006807), (178, 105556451), (182, 103236529), (187, 100476194), (221, 85018318), (238, 78945581), (286, 65695973), (374, 50238097), (442, 42509159), (623, 30158986), (979, 19192082), (1001, 18770278), (1157, 16239454), (1246, 15079493), (1309, 14353742), (1513, 12418406), (1547, 12145474), (1958, 9596041), (2002, 9385139), (2314, 8119727), (2431, 7728938), (2618, 7176871), (3026, 6209203), (3094, 6072737), (4862, 3864469), (6203, 3029026), (6853, 2741726), (8099, 2319922), (10591, 1774058), (12406, 1514513), (12727, 1476314), (13706, 1370863), (16198, 1159961), (16643, 1128946), (17017, 1104134), (19669, 955262), (21182, 887029), (25454, 738157), (33286, 564473), (34034, 552067), (39338, 477631), (43421, 432718), (68233, 275366), (80639, 233002), (86842, 216359), (89089, 210902), (105451, 178178), (116501, 161278), (136466, 137683)]