18180603

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12547}}^1$

素因数の和:12583

約数の個数: 24

約数和(自身を含む): 31319808

約数和(自身を除く): 13139205

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12547, 37641, 87829, 112923, 263487, 288581, 790461, 865743, 2020067, 2597229, 6060201, 18180603]

約数ペア:

[(1, 18180603), (3, 6060201), (7, 2597229), (9, 2020067), (21, 865743), (23, 790461), (63, 288581), (69, 263487), (161, 112923), (207, 87829), (483, 37641), (1449, 12547)]