18967000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1459}}^1$

素因数の和:1493

約数の個数: 64

約数和(自身を含む): 47829600

約数和(自身を除く): 28862600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1459, 1625, 2600, 2918, 3250, 5836, 6500, 7295, 11672, 13000, 14590, 18967, 29180, 36475, 37934, 58360, 72950, 75868, 94835, 145900, 151736, 182375, 189670, 291800, 364750, 379340, 474175, 729500, 758680, 948350, 1459000, 1896700, 2370875, 3793400, 4741750, 9483500, 18967000]

約数ペア:

[(1, 18967000), (2, 9483500), (4, 4741750), (5, 3793400), (8, 2370875), (10, 1896700), (13, 1459000), (20, 948350), (25, 758680), (26, 729500), (40, 474175), (50, 379340), (52, 364750), (65, 291800), (100, 189670), (104, 182375), (125, 151736), (130, 145900), (200, 94835), (250, 75868), (260, 72950), (325, 58360), (500, 37934), (520, 36475), (650, 29180), (1000, 18967), (1300, 14590), (1459, 13000), (1625, 11672), (2600, 7295), (2918, 6500), (3250, 5836)]