18028766

素因数分解:

$2^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 32356800

約数和(自身を除く): 14328034

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 343, 574, 641, 686, 1282, 2009, 4018, 4487, 8974, 14063, 26281, 28126, 31409, 52562, 62818, 183967, 219863, 367934, 439726, 1287769, 2575538, 9014383, 18028766]

約数ペア:

[(1, 18028766), (2, 9014383), (7, 2575538), (14, 1287769), (41, 439726), (49, 367934), (82, 219863), (98, 183967), (287, 62818), (343, 52562), (574, 31409), (641, 28126), (686, 26281), (1282, 14063), (2009, 8974), (4018, 4487)]