18578066

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 32030208

約数和(自身を除く): 13452142

約数列:

[1, 2, 13, 23, 26, 46, 47, 94, 299, 598, 611, 661, 1081, 1222, 1322, 2162, 8593, 14053, 15203, 17186, 28106, 30406, 31067, 62134, 197639, 395278, 403871, 714541, 807742, 1429082, 9289033, 18578066]

約数ペア:

[(1, 18578066), (2, 9289033), (13, 1429082), (23, 807742), (26, 714541), (46, 403871), (47, 395278), (94, 197639), (299, 62134), (598, 31067), (611, 30406), (661, 28106), (1081, 17186), (1222, 15203), (1322, 14053), (2162, 8593)]