19380085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 25909632

約数和(自身を除く): 6529547

約数列:

[1, 5, 17, 41, 67, 83, 85, 205, 335, 415, 697, 1139, 1411, 2747, 3403, 3485, 5561, 5695, 7055, 13735, 17015, 27805, 46699, 57851, 94537, 228001, 233495, 289255, 472685, 1140005, 3876017, 19380085]

約数ペア:

[(1, 19380085), (5, 3876017), (17, 1140005), (41, 472685), (67, 289255), (83, 233495), (85, 228001), (205, 94537), (335, 57851), (415, 46699), (697, 27805), (1139, 17015), (1411, 13735), (2747, 7055), (3403, 5695), (3485, 5561)]