19565521888

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{1381}}^1\times {\mathrm{3659}}^1$

素因数の和:5072

約数の個数: 72

約数和(自身を含む): 42381987480

約数和(自身を除く): 22816465592

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1381, 1936, 2762, 3659, 3872, 5524, 7318, 11048, 14636, 15191, 22096, 29272, 30382, 40249, 44192, 58544, 60764, 80498, 117088, 121528, 160996, 167101, 243056, 321992, 334202, 442739, 486112, 643984, 668404, 885478, 1287968, 1336808, 1770956, 2673616, 3541912, 5053079, 5347232, 7083824, 10106158, 14167648, 20212316, 40424632, 55583869, 80849264, 111167738, 161698528, 222335476, 444670952, 611422559, 889341904, 1222845118, 1778683808, 2445690236, 4891380472, 9782760944, 19565521888]

約数ペア:

[(1, 19565521888), (2, 9782760944), (4, 4891380472), (8, 2445690236), (11, 1778683808), (16, 1222845118), (22, 889341904), (32, 611422559), (44, 444670952), (88, 222335476), (121, 161698528), (176, 111167738), (242, 80849264), (352, 55583869), (484, 40424632), (968, 20212316), (1381, 14167648), (1936, 10106158), (2762, 7083824), (3659, 5347232), (3872, 5053079), (5524, 3541912), (7318, 2673616), (11048, 1770956), (14636, 1336808), (15191, 1287968), (22096, 885478), (29272, 668404), (30382, 643984), (40249, 486112), (44192, 442739), (58544, 334202), (60764, 321992), (80498, 243056), (117088, 167101), (121528, 160996)]