19942902

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{7537}}^1$

素因数の和:7562

約数の個数: 48

約数和(自身を含む): 51559920

約数和(自身を除く): 31617018

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 7537, 15074, 22611, 45222, 52759, 67833, 105518, 135666, 158277, 203499, 316554, 369313, 406998, 474831, 738626, 949662, 1107939, 1424493, 2215878, 2848986, 3323817, 6647634, 9971451, 19942902]

約数ペア:

[(1, 19942902), (2, 9971451), (3, 6647634), (6, 3323817), (7, 2848986), (9, 2215878), (14, 1424493), (18, 1107939), (21, 949662), (27, 738626), (42, 474831), (49, 406998), (54, 369313), (63, 316554), (98, 203499), (126, 158277), (147, 135666), (189, 105518), (294, 67833), (378, 52759), (441, 45222), (882, 22611), (1323, 15074), (2646, 7537)]