19615281

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 31948800

約数和(自身を除く): 12333519

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 1039, 2697, 3117, 6293, 7273, 18879, 21819, 30131, 32209, 90393, 96627, 210917, 225463, 632751, 676389, 934061, 2802183, 6538427, 19615281]

約数ペア:

[(1, 19615281), (3, 6538427), (7, 2802183), (21, 934061), (29, 676389), (31, 632751), (87, 225463), (93, 210917), (203, 96627), (217, 90393), (609, 32209), (651, 30131), (899, 21819), (1039, 18879), (2697, 7273), (3117, 6293)]