19959888904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4734319}}^1$

素因数の和:4734373

約数の個数: 32

約数和(自身を含む): 40904524800

約数和(自身を除く): 20944635896

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4734319, 9468638, 18937276, 37874552, 80483423, 146763889, 160966846, 293527778, 321933692, 587055556, 643867384, 1174111112, 2494986113, 4989972226, 9979944452, 19959888904]

約数ペア:

[(1, 19959888904), (2, 9979944452), (4, 4989972226), (8, 2494986113), (17, 1174111112), (31, 643867384), (34, 587055556), (62, 321933692), (68, 293527778), (124, 160966846), (136, 146763889), (248, 80483423), (527, 37874552), (1054, 18937276), (2108, 9468638), (4216, 4734319)]