18884541

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 29111040

約数和(自身を除く): 10226499

約数列:

[1, 3, 13, 23, 37, 39, 69, 111, 299, 481, 569, 851, 897, 1443, 1707, 2553, 7397, 11063, 13087, 21053, 22191, 33189, 39261, 63159, 170131, 273689, 484219, 510393, 821067, 1452657, 6294847, 18884541]

約数ペア:

[(1, 18884541), (3, 6294847), (13, 1452657), (23, 821067), (37, 510393), (39, 484219), (69, 273689), (111, 170131), (299, 63159), (481, 39261), (569, 33189), (851, 22191), (897, 21053), (1443, 13087), (1707, 11063), (2553, 7397)]