19302021

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 30507204

約数和(自身を除く): 11205183

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 181, 289, 369, 543, 697, 867, 1629, 2091, 2601, 3077, 6273, 7421, 9231, 11849, 22263, 27693, 35547, 52309, 66789, 106641, 126157, 156927, 378471, 470781, 1135413, 2144669, 6434007, 19302021]

約数ペア:

[(1, 19302021), (3, 6434007), (9, 2144669), (17, 1135413), (41, 470781), (51, 378471), (123, 156927), (153, 126157), (181, 106641), (289, 66789), (369, 52309), (543, 35547), (697, 27693), (867, 22263), (1629, 11849), (2091, 9231), (2601, 7421), (3077, 6273)]