18772983

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 28005120

約数和(自身を除く): 9232137

約数列:

[1, 3, 9, 43, 129, 179, 271, 387, 537, 813, 1611, 2439, 7697, 11653, 23091, 34959, 48509, 69273, 104877, 145527, 436581, 2085887, 6257661, 18772983]

約数ペア:

[(1, 18772983), (3, 6257661), (9, 2085887), (43, 436581), (129, 145527), (179, 104877), (271, 69273), (387, 48509), (537, 34959), (813, 23091), (1611, 11653), (2439, 7697)]