18991368

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{7993}}^1$

素因数の和:8019

約数の個数: 64

約数和(自身を含む): 57556800

約数和(自身を除く): 38565432

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 198, 216, 264, 297, 396, 594, 792, 1188, 2376, 7993, 15986, 23979, 31972, 47958, 63944, 71937, 87923, 95916, 143874, 175846, 191832, 215811, 263769, 287748, 351692, 431622, 527538, 575496, 703384, 791307, 863244, 1055076, 1582614, 1726488, 2110152, 2373921, 3165228, 4747842, 6330456, 9495684, 18991368]

約数ペア:

[(1, 18991368), (2, 9495684), (3, 6330456), (4, 4747842), (6, 3165228), (8, 2373921), (9, 2110152), (11, 1726488), (12, 1582614), (18, 1055076), (22, 863244), (24, 791307), (27, 703384), (33, 575496), (36, 527538), (44, 431622), (54, 351692), (66, 287748), (72, 263769), (88, 215811), (99, 191832), (108, 175846), (132, 143874), (198, 95916), (216, 87923), (264, 71937), (297, 63944), (396, 47958), (594, 31972), (792, 23979), (1188, 15986), (2376, 7993)]