18391695868

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{176051}}^1$

素因数の和:176123

約数の個数: 72

約数和(自身を含む): 41303911824

約数和(自身を除く): 22912215956

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 49, 52, 82, 91, 98, 164, 182, 196, 287, 364, 533, 574, 637, 1066, 1148, 1274, 2009, 2132, 2548, 3731, 4018, 7462, 8036, 14924, 26117, 52234, 104468, 176051, 352102, 704204, 1232357, 2288663, 2464714, 4577326, 4929428, 7218091, 8626499, 9154652, 14436182, 16020641, 17252998, 28872364, 32041282, 34505996, 50526637, 64082564, 93835183, 101053274, 112144487, 187670366, 202106548, 224288974, 353686459, 375340732, 448577948, 656846281, 707372918, 1313692562, 1414745836, 2627385124, 4597923967, 9195847934, 18391695868]

約数ペア:

[(1, 18391695868), (2, 9195847934), (4, 4597923967), (7, 2627385124), (13, 1414745836), (14, 1313692562), (26, 707372918), (28, 656846281), (41, 448577948), (49, 375340732), (52, 353686459), (82, 224288974), (91, 202106548), (98, 187670366), (164, 112144487), (182, 101053274), (196, 93835183), (287, 64082564), (364, 50526637), (533, 34505996), (574, 32041282), (637, 28872364), (1066, 17252998), (1148, 16020641), (1274, 14436182), (2009, 9154652), (2132, 8626499), (2548, 7218091), (3731, 4929428), (4018, 4577326), (7462, 2464714), (8036, 2288663), (14924, 1232357), (26117, 704204), (52234, 352102), (104468, 176051)]