18764487

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{983}}^1$

素因数の和:1100

約数の個数: 32

約数和(自身を含む): 32117760

約数和(自身を除く): 13353273

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 189, 303, 707, 909, 983, 2121, 2727, 2949, 6363, 6881, 8847, 19089, 20643, 26541, 61929, 99283, 185787, 297849, 694981, 893547, 2084943, 2680641, 6254829, 18764487]

約数ペア:

[(1, 18764487), (3, 6254829), (7, 2680641), (9, 2084943), (21, 893547), (27, 694981), (63, 297849), (101, 185787), (189, 99283), (303, 61929), (707, 26541), (909, 20643), (983, 19089), (2121, 8847), (2727, 6881), (2949, 6363)]