18853376

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1601}}^1$

素因数の和:1642

約数の個数: 40

約数和(自身を含む): 39332304

約数和(自身を除く): 20478928

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 1601, 2944, 3202, 5888, 6404, 11776, 12808, 25616, 36823, 51232, 73646, 102464, 147292, 204928, 294584, 409856, 589168, 819712, 1178336, 2356672, 4713344, 9426688, 18853376]

約数ペア:

[(1, 18853376), (2, 9426688), (4, 4713344), (8, 2356672), (16, 1178336), (23, 819712), (32, 589168), (46, 409856), (64, 294584), (92, 204928), (128, 147292), (184, 102464), (256, 73646), (368, 51232), (512, 36823), (736, 25616), (1472, 12808), (1601, 11776), (2944, 6404), (3202, 5888)]