18513358719

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{42023}}^1$

素因数の和:42235

約数の個数: 32

約数和(自身を含む): 26626406400

約数和(自身を除く): 8113047681

約数列:

[1, 3, 19, 57, 59, 131, 177, 393, 1121, 2489, 3363, 7467, 7729, 23187, 42023, 126069, 146851, 440553, 798437, 2395311, 2479357, 5505013, 7438071, 16515039, 47107783, 104595247, 141323349, 313785741, 324795767, 974387301, 6171119573, 18513358719]

約数ペア:

[(1, 18513358719), (3, 6171119573), (19, 974387301), (57, 324795767), (59, 313785741), (131, 141323349), (177, 104595247), (393, 47107783), (1121, 16515039), (2489, 7438071), (3363, 5505013), (7467, 2479357), (7729, 2395311), (23187, 798437), (42023, 440553), (126069, 146851)]