19955187

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5557}}^1$

素因数の和:5592

約数の個数: 32

約数和(自身を含む): 35571200

約数和(自身を除く): 15616013

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5557, 16671, 38899, 50013, 105583, 116697, 150039, 316749, 350091, 739081, 950247, 1050273, 2217243, 2850741, 6651729, 19955187]

約数ペア:

[(1, 19955187), (3, 6651729), (7, 2850741), (9, 2217243), (19, 1050273), (21, 950247), (27, 739081), (57, 350091), (63, 316749), (133, 150039), (171, 116697), (189, 105583), (399, 50013), (513, 38899), (1197, 16671), (3591, 5557)]