19171995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 32569344

約数和(自身を除く): 13397349

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 911, 915, 1403, 2733, 4209, 4555, 7015, 13665, 20953, 21045, 55571, 62859, 104765, 166713, 277855, 314295, 833565, 1278133, 3834399, 6390665, 19171995]

約数ペア:

[(1, 19171995), (3, 6390665), (5, 3834399), (15, 1278133), (23, 833565), (61, 314295), (69, 277855), (115, 166713), (183, 104765), (305, 62859), (345, 55571), (911, 21045), (915, 20953), (1403, 13665), (2733, 7015), (4209, 4555)]