19887798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{473519}}^1$

素因数の和:473531

約数の個数: 16

約数和(自身を含む): 45457920

約数和(自身を除く): 25570122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 473519, 947038, 1420557, 2841114, 3314633, 6629266, 9943899, 19887798]

約数ペア:

[(1, 19887798), (2, 9943899), (3, 6629266), (6, 3314633), (7, 2841114), (14, 1420557), (21, 947038), (42, 473519)]