18428355

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 35493120

約数和(自身を除く): 17064765

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 59, 99, 165, 177, 295, 495, 531, 631, 649, 885, 1893, 1947, 2655, 3155, 3245, 5679, 5841, 6941, 9465, 9735, 20823, 28395, 29205, 34705, 37229, 62469, 104115, 111687, 186145, 312345, 335061, 409519, 558435, 1228557, 1675305, 2047595, 3685671, 6142785, 18428355]

約数ペア:

[(1, 18428355), (3, 6142785), (5, 3685671), (9, 2047595), (11, 1675305), (15, 1228557), (33, 558435), (45, 409519), (55, 335061), (59, 312345), (99, 186145), (165, 111687), (177, 104115), (295, 62469), (495, 37229), (531, 34705), (631, 29205), (649, 28395), (885, 20823), (1893, 9735), (1947, 9465), (2655, 6941), (3155, 5841), (3245, 5679)]