17968587

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 30498048

約数和(自身を除く): 12529461

約数列:

[1, 3, 7, 13, 21, 39, 61, 83, 91, 169, 183, 249, 273, 427, 507, 581, 793, 1079, 1183, 1281, 1743, 2379, 3237, 3549, 5063, 5551, 7553, 10309, 14027, 15189, 16653, 22659, 30927, 35441, 42081, 65819, 72163, 98189, 106323, 197457, 216489, 294567, 460733, 855647, 1382199, 2566941, 5989529, 17968587]

約数ペア:

[(1, 17968587), (3, 5989529), (7, 2566941), (13, 1382199), (21, 855647), (39, 460733), (61, 294567), (83, 216489), (91, 197457), (169, 106323), (183, 98189), (249, 72163), (273, 65819), (427, 42081), (507, 35441), (581, 30927), (793, 22659), (1079, 16653), (1183, 15189), (1281, 14027), (1743, 10309), (2379, 7553), (3237, 5551), (3549, 5063)]