18412784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88523}}^1$

素因数の和:88544

約数の個数: 20

約数和(自身を含む): 38419416

約数和(自身を除く): 20006632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88523, 177046, 354092, 708184, 1150799, 1416368, 2301598, 4603196, 9206392, 18412784]

約数ペア:

[(1, 18412784), (2, 9206392), (4, 4603196), (8, 2301598), (13, 1416368), (16, 1150799), (26, 708184), (52, 354092), (104, 177046), (208, 88523)]