18630963

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:101

約数の個数: 72

約数和(自身を含む): 33524400

約数和(自身を除く): 14893437

約数列:

[1, 3, 9, 13, 17, 19, 29, 39, 51, 57, 87, 117, 153, 171, 221, 247, 261, 289, 323, 377, 493, 551, 663, 741, 867, 969, 1131, 1479, 1653, 1989, 2223, 2601, 2907, 3393, 3757, 4199, 4437, 4959, 5491, 6409, 7163, 8381, 9367, 11271, 12597, 16473, 19227, 21489, 25143, 28101, 33813, 37791, 49419, 57681, 64467, 71383, 75429, 84303, 108953, 121771, 159239, 214149, 326859, 365313, 477717, 642447, 980577, 1095939, 1433151, 2070107, 6210321, 18630963]

約数ペア:

[(1, 18630963), (3, 6210321), (9, 2070107), (13, 1433151), (17, 1095939), (19, 980577), (29, 642447), (39, 477717), (51, 365313), (57, 326859), (87, 214149), (117, 159239), (153, 121771), (171, 108953), (221, 84303), (247, 75429), (261, 71383), (289, 64467), (323, 57681), (377, 49419), (493, 37791), (551, 33813), (663, 28101), (741, 25143), (867, 21489), (969, 19227), (1131, 16473), (1479, 12597), (1653, 11271), (1989, 9367), (2223, 8381), (2601, 7163), (2907, 6409), (3393, 5491), (3757, 4959), (4199, 4437)]