19866484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12203}}^1$

素因数の和:12255

約数の個数: 24

約数和(自身を含む): 38955168

約数和(自身を除く): 19088684

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12203, 24406, 48812, 134233, 268466, 451511, 536932, 903022, 1806044, 4966621, 9933242, 19866484]

約数ペア:

[(1, 19866484), (2, 9933242), (4, 4966621), (11, 1806044), (22, 903022), (37, 536932), (44, 451511), (74, 268466), (148, 134233), (407, 48812), (814, 24406), (1628, 12203)]