17921876

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 21704620

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1637, 2737, 3274, 5474, 6548, 10948, 11459, 22918, 27829, 37651, 45836, 55658, 75302, 111316, 150604, 194803, 263557, 389606, 527114, 640067, 779212, 1054228, 1280134, 2560268, 4480469, 8960938, 17921876]

約数ペア:

[(1, 17921876), (2, 8960938), (4, 4480469), (7, 2560268), (14, 1280134), (17, 1054228), (23, 779212), (28, 640067), (34, 527114), (46, 389606), (68, 263557), (92, 194803), (119, 150604), (161, 111316), (238, 75302), (322, 55658), (391, 45836), (476, 37651), (644, 27829), (782, 22918), (1564, 11459), (1637, 10948), (2737, 6548), (3274, 5474)]