18520444

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 35481600

約数和(自身を除く): 16961156

約数列:

[1, 2, 4, 29, 43, 47, 58, 79, 86, 94, 116, 158, 172, 188, 316, 1247, 1363, 2021, 2291, 2494, 2726, 3397, 3713, 4042, 4582, 4988, 5452, 6794, 7426, 8084, 9164, 13588, 14852, 58609, 98513, 107677, 117218, 159659, 197026, 215354, 234436, 319318, 394052, 430708, 638636, 4630111, 9260222, 18520444]

約数ペア:

[(1, 18520444), (2, 9260222), (4, 4630111), (29, 638636), (43, 430708), (47, 394052), (58, 319318), (79, 234436), (86, 215354), (94, 197026), (116, 159659), (158, 117218), (172, 107677), (188, 98513), (316, 58609), (1247, 14852), (1363, 13588), (2021, 9164), (2291, 8084), (2494, 7426), (2726, 6794), (3397, 5452), (3713, 4988), (4042, 4582)]