19894238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 36953280

約数和(自身を除く): 17059042

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 281, 389, 562, 778, 1967, 2723, 3653, 3934, 5057, 5446, 7306, 10114, 25571, 35399, 51142, 70798, 109309, 218618, 765163, 1421017, 1530326, 2842034, 9947119, 19894238]

約数ペア:

[(1, 19894238), (2, 9947119), (7, 2842034), (13, 1530326), (14, 1421017), (26, 765163), (91, 218618), (182, 109309), (281, 70798), (389, 51142), (562, 35399), (778, 25571), (1967, 10114), (2723, 7306), (3653, 5446), (3934, 5057)]