19317712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 23536688

約数列:

[1, 2, 4, 8, 16, 17, 29, 31, 34, 58, 62, 68, 79, 116, 124, 136, 158, 232, 248, 272, 316, 464, 493, 496, 527, 632, 899, 986, 1054, 1264, 1343, 1798, 1972, 2108, 2291, 2449, 2686, 3596, 3944, 4216, 4582, 4898, 5372, 7192, 7888, 8432, 9164, 9796, 10744, 14384, 15283, 18328, 19592, 21488, 30566, 36656, 38947, 39184, 41633, 61132, 71021, 77894, 83266, 122264, 142042, 155788, 166532, 244528, 284084, 311576, 333064, 568168, 623152, 666128, 1136336, 1207357, 2414714, 4829428, 9658856, 19317712]

約数ペア:

[(1, 19317712), (2, 9658856), (4, 4829428), (8, 2414714), (16, 1207357), (17, 1136336), (29, 666128), (31, 623152), (34, 568168), (58, 333064), (62, 311576), (68, 284084), (79, 244528), (116, 166532), (124, 155788), (136, 142042), (158, 122264), (232, 83266), (248, 77894), (272, 71021), (316, 61132), (464, 41633), (493, 39184), (496, 38947), (527, 36656), (632, 30566), (899, 21488), (986, 19592), (1054, 18328), (1264, 15283), (1343, 14384), (1798, 10744), (1972, 9796), (2108, 9164), (2291, 8432), (2449, 7888), (2686, 7192), (3596, 5372), (3944, 4898), (4216, 4582)]