19958736

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 59424768

約数和(自身を除く): 39466032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 191, 311, 336, 382, 573, 622, 764, 933, 1146, 1244, 1337, 1528, 1866, 2177, 2292, 2488, 2674, 3056, 3732, 4011, 4354, 4584, 4976, 5348, 6531, 7464, 8022, 8708, 9168, 10696, 13062, 14928, 16044, 17416, 21392, 26124, 32088, 34832, 52248, 59401, 64176, 104496, 118802, 178203, 237604, 356406, 415807, 475208, 712812, 831614, 950416, 1247421, 1425624, 1663228, 2494842, 2851248, 3326456, 4989684, 6652912, 9979368, 19958736]

約数ペア:

[(1, 19958736), (2, 9979368), (3, 6652912), (4, 4989684), (6, 3326456), (7, 2851248), (8, 2494842), (12, 1663228), (14, 1425624), (16, 1247421), (21, 950416), (24, 831614), (28, 712812), (42, 475208), (48, 415807), (56, 356406), (84, 237604), (112, 178203), (168, 118802), (191, 104496), (311, 64176), (336, 59401), (382, 52248), (573, 34832), (622, 32088), (764, 26124), (933, 21392), (1146, 17416), (1244, 16044), (1337, 14928), (1528, 13062), (1866, 10696), (2177, 9168), (2292, 8708), (2488, 8022), (2674, 7464), (3056, 6531), (3732, 5348), (4011, 4976), (4354, 4584)]