18315958

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{907}}^1$

素因数の和:1371

約数の個数: 16

約数和(自身を含む): 28765440

約数和(自身を除く): 10449482

約数列:

[1, 2, 23, 46, 439, 878, 907, 1814, 10097, 20194, 20861, 41722, 398173, 796346, 9157979, 18315958]

約数ペア:

[(1, 18315958), (2, 9157979), (23, 796346), (46, 398173), (439, 41722), (878, 20861), (907, 20194), (1814, 10097)]