18993590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1451}}^1$

素因数の和:1493

約数の個数: 64

約数和(自身を含む): 45163008

約数和(自身を除く): 26169418

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1451, 1870, 2618, 2902, 6545, 7255, 10157, 13090, 14510, 15961, 20314, 24667, 31922, 49334, 50785, 79805, 101570, 111727, 123335, 159610, 172669, 223454, 246670, 271337, 345338, 542674, 558635, 863345, 1117270, 1356685, 1726690, 1899359, 2713370, 3798718, 9496795, 18993590]

約数ペア:

[(1, 18993590), (2, 9496795), (5, 3798718), (7, 2713370), (10, 1899359), (11, 1726690), (14, 1356685), (17, 1117270), (22, 863345), (34, 558635), (35, 542674), (55, 345338), (70, 271337), (77, 246670), (85, 223454), (110, 172669), (119, 159610), (154, 123335), (170, 111727), (187, 101570), (238, 79805), (374, 50785), (385, 49334), (595, 31922), (770, 24667), (935, 20314), (1190, 15961), (1309, 14510), (1451, 13090), (1870, 10157), (2618, 7255), (2902, 6545)]