18984724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{22709}}^1$

素因数の和:22743

約数の個数: 24

約数和(自身を含む): 38152800

約数和(自身を除く): 19168076

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 22709, 45418, 90836, 249799, 431471, 499598, 862942, 999196, 1725884, 4746181, 9492362, 18984724]

約数ペア:

[(1, 18984724), (2, 9492362), (4, 4746181), (11, 1725884), (19, 999196), (22, 862942), (38, 499598), (44, 431471), (76, 249799), (209, 90836), (418, 45418), (836, 22709)]