19728738

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{21491}}^1$

素因数の和:21519

約数の個数: 32

約数和(自身を含む): 46422720

約数和(自身を除く): 26693982

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 102, 153, 306, 459, 918, 21491, 42982, 64473, 128946, 193419, 365347, 386838, 580257, 730694, 1096041, 1160514, 2192082, 3288123, 6576246, 9864369, 19728738]

約数ペア:

[(1, 19728738), (2, 9864369), (3, 6576246), (6, 3288123), (9, 2192082), (17, 1160514), (18, 1096041), (27, 730694), (34, 580257), (51, 386838), (54, 365347), (102, 193419), (153, 128946), (306, 64473), (459, 42982), (918, 21491)]