2219428

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 36

約数和(自身を含む): 4320540

約数和(自身を除く): 2101112

約数列:

[1, 2, 4, 19, 29, 38, 53, 58, 76, 106, 116, 212, 361, 551, 722, 1007, 1102, 1444, 1537, 2014, 2204, 3074, 4028, 6148, 10469, 19133, 20938, 29203, 38266, 41876, 58406, 76532, 116812, 554857, 1109714, 2219428]

約数ペア:

[(1, 2219428), (2, 1109714), (4, 554857), (19, 116812), (29, 76532), (38, 58406), (53, 41876), (58, 38266), (76, 29203), (106, 20938), (116, 19133), (212, 10469), (361, 6148), (551, 4028), (722, 3074), (1007, 2204), (1102, 2014), (1444, 1537)]