19800210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15349}}^1$

素因数の和:15402

約数の個数: 32

約数和(自身を含む): 48628800

約数和(自身を除く): 28828590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15349, 30698, 46047, 76745, 92094, 153490, 230235, 460470, 660007, 1320014, 1980021, 3300035, 3960042, 6600070, 9900105, 19800210]

約数ペア:

[(1, 19800210), (2, 9900105), (3, 6600070), (5, 3960042), (6, 3300035), (10, 1980021), (15, 1320014), (30, 660007), (43, 460470), (86, 230235), (129, 153490), (215, 92094), (258, 76745), (430, 46047), (645, 30698), (1290, 15349)]