19005461720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{406447}}^1$

素因数の和:406632

約数の個数: 64

約数和(自身を含む): 49163950080

約数和(自身を除く): 30158488360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1670, 2338, 3340, 4676, 5845, 6680, 9352, 11690, 23380, 46760, 406447, 812894, 1625788, 2032235, 2845129, 3251576, 4064470, 5690258, 8128940, 11380516, 14225645, 16257880, 22761032, 28451290, 56902580, 67876649, 113805160, 135753298, 271506596, 339383245, 475136543, 543013192, 678766490, 950273086, 1357532980, 1900546172, 2375682715, 2715065960, 3801092344, 4751365430, 9502730860, 19005461720]

約数ペア:

[(1, 19005461720), (2, 9502730860), (4, 4751365430), (5, 3801092344), (7, 2715065960), (8, 2375682715), (10, 1900546172), (14, 1357532980), (20, 950273086), (28, 678766490), (35, 543013192), (40, 475136543), (56, 339383245), (70, 271506596), (140, 135753298), (167, 113805160), (280, 67876649), (334, 56902580), (668, 28451290), (835, 22761032), (1169, 16257880), (1336, 14225645), (1670, 11380516), (2338, 8128940), (3340, 5690258), (4676, 4064470), (5845, 3251576), (6680, 2845129), (9352, 2032235), (11690, 1625788), (23380, 812894), (46760, 406447)]