19840095

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 37908000

約数和(自身を除く): 18067905

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 149, 165, 269, 447, 495, 745, 807, 1341, 1345, 1639, 2235, 2421, 2959, 4035, 4917, 6705, 8195, 8877, 12105, 14751, 14795, 24585, 26631, 40081, 44385, 73755, 120243, 133155, 200405, 360729, 440891, 601215, 1322673, 1803645, 2204455, 3968019, 6613365, 19840095]

約数ペア:

[(1, 19840095), (3, 6613365), (5, 3968019), (9, 2204455), (11, 1803645), (15, 1322673), (33, 601215), (45, 440891), (55, 360729), (99, 200405), (149, 133155), (165, 120243), (269, 73755), (447, 44385), (495, 40081), (745, 26631), (807, 24585), (1341, 14795), (1345, 14751), (1639, 12105), (2235, 8877), (2421, 8195), (2959, 6705), (4035, 4917)]