19989581610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{907}}^1\times {\mathrm{4507}}^1$

素因数の和:5587

約数の個数: 64

約数和(自身を含む): 48333261312

約数和(自身を除く): 28343679702

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 907, 978, 1630, 1814, 2445, 2721, 4507, 4535, 4890, 5442, 9014, 9070, 13521, 13605, 22535, 27042, 27210, 45070, 67605, 135210, 147841, 295682, 443523, 734641, 739205, 887046, 1469282, 1478410, 2203923, 2217615, 3673205, 4087849, 4407846, 4435230, 7346410, 8175698, 11019615, 12263547, 20439245, 22039230, 24527094, 40878490, 61317735, 122635470, 666319387, 1332638774, 1998958161, 3331596935, 3997916322, 6663193870, 9994790805, 19989581610]

約数ペア:

[(1, 19989581610), (2, 9994790805), (3, 6663193870), (5, 3997916322), (6, 3331596935), (10, 1998958161), (15, 1332638774), (30, 666319387), (163, 122635470), (326, 61317735), (489, 40878490), (815, 24527094), (907, 22039230), (978, 20439245), (1630, 12263547), (1814, 11019615), (2445, 8175698), (2721, 7346410), (4507, 4435230), (4535, 4407846), (4890, 4087849), (5442, 3673205), (9014, 2217615), (9070, 2203923), (13521, 1478410), (13605, 1469282), (22535, 887046), (27042, 739205), (27210, 734641), (45070, 443523), (67605, 295682), (135210, 147841)]