19931055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1663}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 34504704

約数和(自身を除く): 14573649

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 1663, 2397, 3995, 4989, 8315, 11985, 24945, 28271, 78161, 84813, 141355, 234483, 390805, 424065, 1172415, 1328737, 3986211, 6643685, 19931055]

約数ペア:

[(1, 19931055), (3, 6643685), (5, 3986211), (15, 1328737), (17, 1172415), (47, 424065), (51, 390805), (85, 234483), (141, 141355), (235, 84813), (255, 78161), (705, 28271), (799, 24945), (1663, 11985), (2397, 8315), (3995, 4989)]