18138162592

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{1987}}^1\times {\mathrm{25933}}^1$

素因数の和:27941

約数の個数: 48

約数和(自身を含む): 38976934752

約数和(自身を除く): 20838772160

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 1987, 3974, 7948, 15896, 21857, 25933, 31792, 43714, 51866, 63584, 87428, 103732, 174856, 207464, 285263, 349712, 414928, 570526, 699424, 829856, 1141052, 2282104, 4564208, 9128416, 51528871, 103057742, 206115484, 412230968, 566817581, 824461936, 1133635162, 1648923872, 2267270324, 4534540648, 9069081296, 18138162592]

約数ペア:

[(1, 18138162592), (2, 9069081296), (4, 4534540648), (8, 2267270324), (11, 1648923872), (16, 1133635162), (22, 824461936), (32, 566817581), (44, 412230968), (88, 206115484), (176, 103057742), (352, 51528871), (1987, 9128416), (3974, 4564208), (7948, 2282104), (15896, 1141052), (21857, 829856), (25933, 699424), (31792, 570526), (43714, 414928), (51866, 349712), (63584, 285263), (87428, 207464), (103732, 174856)]