19116812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1806

約数の個数: 48

約数和(自身を含む): 41395200

約数和(自身を除く): 22278388

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1759, 2717, 3518, 5434, 7036, 10868, 19349, 22867, 33421, 38698, 45734, 66842, 77396, 91468, 133684, 251537, 367631, 434473, 503074, 735262, 868946, 1006148, 1470524, 1737892, 4779203, 9558406, 19116812]

約数ペア:

[(1, 19116812), (2, 9558406), (4, 4779203), (11, 1737892), (13, 1470524), (19, 1006148), (22, 868946), (26, 735262), (38, 503074), (44, 434473), (52, 367631), (76, 251537), (143, 133684), (209, 91468), (247, 77396), (286, 66842), (418, 45734), (494, 38698), (572, 33421), (836, 22867), (988, 19349), (1759, 10868), (2717, 7036), (3518, 5434)]