19597644

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^3\times {\mathrm{409}}^1$

素因数の和:452

約数の個数: 72

約数和(自身を含む): 54621840

約数和(自身を除く): 35024196

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 409, 484, 726, 818, 1089, 1227, 1331, 1452, 1636, 2178, 2454, 2662, 3681, 3993, 4356, 4499, 4908, 5324, 7362, 7986, 8998, 11979, 13497, 14724, 15972, 17996, 23958, 26994, 40491, 47916, 49489, 53988, 80982, 98978, 148467, 161964, 197956, 296934, 445401, 544379, 593868, 890802, 1088758, 1633137, 1781604, 2177516, 3266274, 4899411, 6532548, 9798822, 19597644]

約数ペア:

[(1, 19597644), (2, 9798822), (3, 6532548), (4, 4899411), (6, 3266274), (9, 2177516), (11, 1781604), (12, 1633137), (18, 1088758), (22, 890802), (33, 593868), (36, 544379), (44, 445401), (66, 296934), (99, 197956), (121, 161964), (132, 148467), (198, 98978), (242, 80982), (363, 53988), (396, 49489), (409, 47916), (484, 40491), (726, 26994), (818, 23958), (1089, 17996), (1227, 15972), (1331, 14724), (1452, 13497), (1636, 11979), (2178, 8998), (2454, 7986), (2662, 7362), (3681, 5324), (3993, 4908), (4356, 4499)]