19890097492

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{18787}}^1\times {\mathrm{4339}}^1$

素因数の和:23191

約数の個数: 24

約数和(自身を含む): 35388325280

約数和(自身を除く): 15498227788

約数列:

[1, 2, 4, 61, 122, 244, 4339, 8678, 17356, 18787, 37574, 75148, 264679, 529358, 1058716, 1146007, 2292014, 4584028, 81516793, 163033586, 326067172, 4972524373, 9945048746, 19890097492]

約数ペア:

[(1, 19890097492), (2, 9945048746), (4, 4972524373), (61, 326067172), (122, 163033586), (244, 81516793), (4339, 4584028), (8678, 2292014), (17356, 1146007), (18787, 1058716), (37574, 529358), (75148, 264679)]