18912930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21739}}^1$

素因数の和:21778

約数の個数: 32

約数和(自身を含む): 46958400

約数和(自身を除く): 28045470

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 21739, 43478, 65217, 108695, 130434, 217390, 326085, 630431, 652170, 1260862, 1891293, 3152155, 3782586, 6304310, 9456465, 18912930]

約数ペア:

[(1, 18912930), (2, 9456465), (3, 6304310), (5, 3782586), (6, 3152155), (10, 1891293), (15, 1260862), (29, 652170), (30, 630431), (58, 326085), (87, 217390), (145, 130434), (174, 108695), (290, 65217), (435, 43478), (870, 21739)]