19773754

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 43436736

約数和(自身を除く): 23662982

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 49, 77, 83, 91, 98, 119, 143, 154, 166, 182, 187, 221, 238, 286, 374, 442, 539, 581, 637, 833, 913, 1001, 1078, 1079, 1162, 1274, 1309, 1411, 1547, 1666, 1826, 2002, 2158, 2431, 2618, 2822, 3094, 4067, 4862, 6391, 7007, 7553, 8134, 9163, 9877, 10829, 11869, 12782, 14014, 15106, 15521, 17017, 18326, 18343, 19754, 21658, 23738, 31042, 34034, 36686, 44737, 52871, 69139, 83083, 89474, 105742, 108647, 119119, 128401, 138278, 166166, 201773, 217294, 238238, 256802, 403546, 581581, 760529, 898807, 1163162, 1412411, 1521058, 1797614, 2824822, 9886877, 19773754]

約数ペア:

[(1, 19773754), (2, 9886877), (7, 2824822), (11, 1797614), (13, 1521058), (14, 1412411), (17, 1163162), (22, 898807), (26, 760529), (34, 581581), (49, 403546), (77, 256802), (83, 238238), (91, 217294), (98, 201773), (119, 166166), (143, 138278), (154, 128401), (166, 119119), (182, 108647), (187, 105742), (221, 89474), (238, 83083), (286, 69139), (374, 52871), (442, 44737), (539, 36686), (581, 34034), (637, 31042), (833, 23738), (913, 21658), (1001, 19754), (1078, 18343), (1079, 18326), (1162, 17017), (1274, 15521), (1309, 15106), (1411, 14014), (1547, 12782), (1666, 11869), (1826, 10829), (2002, 9877), (2158, 9163), (2431, 8134), (2618, 7553), (2822, 7007), (3094, 6391), (4067, 4862)]