18454268

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 38814720

約数和(自身を除く): 20360452

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 74, 94, 148, 188, 259, 329, 379, 518, 658, 758, 1036, 1316, 1516, 1739, 2653, 3478, 5306, 6956, 10612, 12173, 14023, 17813, 24346, 28046, 35626, 48692, 56092, 71252, 98161, 124691, 196322, 249382, 392644, 498764, 659081, 1318162, 2636324, 4613567, 9227134, 18454268]

約数ペア:

[(1, 18454268), (2, 9227134), (4, 4613567), (7, 2636324), (14, 1318162), (28, 659081), (37, 498764), (47, 392644), (74, 249382), (94, 196322), (148, 124691), (188, 98161), (259, 71252), (329, 56092), (379, 48692), (518, 35626), (658, 28046), (758, 24346), (1036, 17813), (1316, 14023), (1516, 12173), (1739, 10612), (2653, 6956), (3478, 5306)]