19517976

素因数分解:

$2^3\times 3^3\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 54780000

約数和(自身を除く): 35262024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 109, 216, 218, 327, 436, 654, 829, 872, 981, 1308, 1658, 1962, 2487, 2616, 2943, 3316, 3924, 4974, 5886, 6632, 7461, 7848, 9948, 11772, 14922, 19896, 22383, 23544, 29844, 44766, 59688, 89532, 90361, 179064, 180722, 271083, 361444, 542166, 722888, 813249, 1084332, 1626498, 2168664, 2439747, 3252996, 4879494, 6505992, 9758988, 19517976]

約数ペア:

[(1, 19517976), (2, 9758988), (3, 6505992), (4, 4879494), (6, 3252996), (8, 2439747), (9, 2168664), (12, 1626498), (18, 1084332), (24, 813249), (27, 722888), (36, 542166), (54, 361444), (72, 271083), (108, 180722), (109, 179064), (216, 90361), (218, 89532), (327, 59688), (436, 44766), (654, 29844), (829, 23544), (872, 22383), (981, 19896), (1308, 14922), (1658, 11772), (1962, 9948), (2487, 7848), (2616, 7461), (2943, 6632), (3316, 5886), (3924, 4974)]