18880732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{1901}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 35788032

約数和(自身を除く): 16907300

約数列:

[1, 2, 4, 13, 26, 52, 191, 382, 764, 1901, 2483, 3802, 4966, 7604, 9932, 24713, 49426, 98852, 363091, 726182, 1452364, 4720183, 9440366, 18880732]

約数ペア:

[(1, 18880732), (2, 9440366), (4, 4720183), (13, 1452364), (26, 726182), (52, 363091), (191, 98852), (382, 49426), (764, 24713), (1901, 9932), (2483, 7604), (3802, 4966)]