18247515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 35223552

約数和(自身を除く): 16976037

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 47, 55, 65, 141, 143, 165, 181, 195, 235, 429, 517, 543, 611, 705, 715, 905, 1551, 1833, 1991, 2145, 2353, 2585, 2715, 3055, 5973, 6721, 7059, 7755, 8507, 9165, 9955, 11765, 20163, 25521, 25883, 29865, 33605, 35295, 42535, 77649, 93577, 100815, 110591, 127605, 129415, 280731, 331773, 388245, 467885, 552955, 1216501, 1403655, 1658865, 3649503, 6082505, 18247515]

約数ペア:

[(1, 18247515), (3, 6082505), (5, 3649503), (11, 1658865), (13, 1403655), (15, 1216501), (33, 552955), (39, 467885), (47, 388245), (55, 331773), (65, 280731), (141, 129415), (143, 127605), (165, 110591), (181, 100815), (195, 93577), (235, 77649), (429, 42535), (517, 35295), (543, 33605), (611, 29865), (705, 25883), (715, 25521), (905, 20163), (1551, 11765), (1833, 9955), (1991, 9165), (2145, 8507), (2353, 7755), (2585, 7059), (2715, 6721), (3055, 5973)]