19906065

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26021}}^1$

素因数の和:26049

約数の個数: 24

約数和(自身を含む): 36534888

約数和(自身を除く): 16628823

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26021, 78063, 130105, 234189, 390315, 442357, 1170945, 1327071, 2211785, 3981213, 6635355, 19906065]

約数ペア:

[(1, 19906065), (3, 6635355), (5, 3981213), (9, 2211785), (15, 1327071), (17, 1170945), (45, 442357), (51, 390315), (85, 234189), (153, 130105), (255, 78063), (765, 26021)]