19805664

素因数分解:

$2^5\times 3^1\times {\mathrm{103}}^1\times {\mathrm{2003}}^1$

素因数の和:2119

約数の個数: 48

約数和(自身を含む): 52520832

約数和(自身を除く): 32715168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 103, 206, 309, 412, 618, 824, 1236, 1648, 2003, 2472, 3296, 4006, 4944, 6009, 8012, 9888, 12018, 16024, 24036, 32048, 48072, 64096, 96144, 192288, 206309, 412618, 618927, 825236, 1237854, 1650472, 2475708, 3300944, 4951416, 6601888, 9902832, 19805664]

約数ペア:

[(1, 19805664), (2, 9902832), (3, 6601888), (4, 4951416), (6, 3300944), (8, 2475708), (12, 1650472), (16, 1237854), (24, 825236), (32, 618927), (48, 412618), (96, 206309), (103, 192288), (206, 96144), (309, 64096), (412, 48072), (618, 32048), (824, 24036), (1236, 16024), (1648, 12018), (2003, 9888), (2472, 8012), (3296, 6009), (4006, 4944)]