18381704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2347}}^1$

素因数の和:2453

約数の個数: 32

約数和(自身を含む): 38037600

約数和(自身を除く): 19655896

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 2347, 3916, 4694, 7832, 9388, 18776, 25817, 51634, 103268, 206536, 208883, 417766, 835532, 1671064, 2297713, 4595426, 9190852, 18381704]

約数ペア:

[(1, 18381704), (2, 9190852), (4, 4595426), (8, 2297713), (11, 1671064), (22, 835532), (44, 417766), (88, 208883), (89, 206536), (178, 103268), (356, 51634), (712, 25817), (979, 18776), (1958, 9388), (2347, 7832), (3916, 4694)]