19360257

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 30083904

約数和(自身を除く): 10723647

約数列:

[1, 3, 7, 21, 73, 173, 219, 511, 519, 1211, 1533, 3633, 5329, 12629, 15987, 37303, 37887, 88403, 111909, 265209, 921917, 2765751, 6453419, 19360257]

約数ペア:

[(1, 19360257), (3, 6453419), (7, 2765751), (21, 921917), (73, 265209), (173, 111909), (219, 88403), (511, 37887), (519, 37303), (1211, 15987), (1533, 12629), (3633, 5329)]