18437864

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{839}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 35985600

約数和(自身を除く): 17547736

約数列:

[1, 2, 4, 8, 41, 67, 82, 134, 164, 268, 328, 536, 839, 1678, 2747, 3356, 5494, 6712, 10988, 21976, 34399, 56213, 68798, 112426, 137596, 224852, 275192, 449704, 2304733, 4609466, 9218932, 18437864]

約数ペア:

[(1, 18437864), (2, 9218932), (4, 4609466), (8, 2304733), (41, 449704), (67, 275192), (82, 224852), (134, 137596), (164, 112426), (268, 68798), (328, 56213), (536, 34399), (839, 21976), (1678, 10988), (2747, 6712), (3356, 5494)]