18128550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{10987}}^1$

素因数の和:11013

約数の個数: 48

約数和(自身を含む): 49050432

約数和(自身を除く): 30921882

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 10987, 21974, 32961, 54935, 65922, 109870, 120857, 164805, 241714, 274675, 329610, 362571, 549350, 604285, 725142, 824025, 1208570, 1648050, 1812855, 3021425, 3625710, 6042850, 9064275, 18128550]

約数ペア:

[(1, 18128550), (2, 9064275), (3, 6042850), (5, 3625710), (6, 3021425), (10, 1812855), (11, 1648050), (15, 1208570), (22, 824025), (25, 725142), (30, 604285), (33, 549350), (50, 362571), (55, 329610), (66, 274675), (75, 241714), (110, 164805), (150, 120857), (165, 109870), (275, 65922), (330, 54935), (550, 32961), (825, 21974), (1650, 10987)]