19604349

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 32408640

約数和(自身を除く): 12804291

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 391, 459, 619, 621, 1173, 1377, 1857, 1863, 3519, 5571, 10523, 10557, 14237, 16713, 31569, 31671, 42711, 50139, 94707, 128133, 242029, 284121, 384399, 726087, 852363, 1153197, 2178261, 6534783, 19604349]

約数ペア:

[(1, 19604349), (3, 6534783), (9, 2178261), (17, 1153197), (23, 852363), (27, 726087), (51, 384399), (69, 284121), (81, 242029), (153, 128133), (207, 94707), (391, 50139), (459, 42711), (619, 31671), (621, 31569), (1173, 16713), (1377, 14237), (1857, 10557), (1863, 10523), (3519, 5571)]