18688956

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10891}}^1$

素因数の和:10922

約数の個数: 48

約数和(自身を含む): 51235968

約数和(自身を除く): 32547012

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 10891, 21782, 32673, 43564, 65346, 119801, 130692, 141583, 239602, 283166, 359403, 424749, 479204, 566332, 718806, 849498, 1437612, 1557413, 1698996, 3114826, 4672239, 6229652, 9344478, 18688956]

約数ペア:

[(1, 18688956), (2, 9344478), (3, 6229652), (4, 4672239), (6, 3114826), (11, 1698996), (12, 1557413), (13, 1437612), (22, 849498), (26, 718806), (33, 566332), (39, 479204), (44, 424749), (52, 359403), (66, 283166), (78, 239602), (132, 141583), (143, 130692), (156, 119801), (286, 65346), (429, 43564), (572, 32673), (858, 21782), (1716, 10891)]