18345789

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 34504704

約数和(自身を除く): 16158915

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1151, 1449, 1771, 2277, 3453, 5313, 8057, 10359, 12661, 15939, 24171, 26473, 37983, 72513, 79419, 88627, 113949, 185311, 238257, 265881, 291203, 555933, 797643, 873609, 1667799, 2038421, 2620827, 6115263, 18345789]

約数ペア:

[(1, 18345789), (3, 6115263), (7, 2620827), (9, 2038421), (11, 1667799), (21, 873609), (23, 797643), (33, 555933), (63, 291203), (69, 265881), (77, 238257), (99, 185311), (161, 113949), (207, 88627), (231, 79419), (253, 72513), (483, 37983), (693, 26473), (759, 24171), (1151, 15939), (1449, 12661), (1771, 10359), (2277, 8057), (3453, 5313)]