19404770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 45964800

約数和(自身を除く): 26560030

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 79, 110, 121, 145, 154, 158, 203, 242, 290, 319, 385, 395, 406, 553, 605, 638, 770, 790, 847, 869, 1015, 1106, 1210, 1595, 1694, 1738, 2030, 2233, 2291, 2765, 3190, 3509, 4235, 4345, 4466, 4582, 5530, 6083, 7018, 8470, 8690, 9559, 11165, 11455, 12166, 16037, 17545, 19118, 22330, 22910, 24563, 25201, 30415, 32074, 35090, 47795, 49126, 50402, 60830, 66913, 80185, 95590, 122815, 126005, 133826, 160370, 176407, 245630, 252010, 277211, 334565, 352814, 554422, 669130, 882035, 1386055, 1764070, 1940477, 2772110, 3880954, 9702385, 19404770]

約数ペア:

[(1, 19404770), (2, 9702385), (5, 3880954), (7, 2772110), (10, 1940477), (11, 1764070), (14, 1386055), (22, 882035), (29, 669130), (35, 554422), (55, 352814), (58, 334565), (70, 277211), (77, 252010), (79, 245630), (110, 176407), (121, 160370), (145, 133826), (154, 126005), (158, 122815), (203, 95590), (242, 80185), (290, 66913), (319, 60830), (385, 50402), (395, 49126), (406, 47795), (553, 35090), (605, 32074), (638, 30415), (770, 25201), (790, 24563), (847, 22910), (869, 22330), (1015, 19118), (1106, 17545), (1210, 16037), (1595, 12166), (1694, 11455), (1738, 11165), (2030, 9559), (2233, 8690), (2291, 8470), (2765, 7018), (3190, 6083), (3509, 5530), (4235, 4582), (4345, 4466)]