18757970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1433}}^1$

素因数の和:1475

約数の個数: 64

約数和(自身を含む): 44603136

約数和(自身を除く): 25845166

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, 1433, 1870, 2618, 2866, 6545, 7165, 10031, 13090, 14330, 15763, 20062, 24361, 31526, 48722, 50155, 78815, 100310, 110341, 121805, 157630, 170527, 220682, 243610, 267971, 341054, 535942, 551705, 852635, 1103410, 1339855, 1705270, 1875797, 2679710, 3751594, 9378985, 18757970]

約数ペア:

[(1, 18757970), (2, 9378985), (5, 3751594), (7, 2679710), (10, 1875797), (11, 1705270), (14, 1339855), (17, 1103410), (22, 852635), (34, 551705), (35, 535942), (55, 341054), (70, 267971), (77, 243610), (85, 220682), (110, 170527), (119, 157630), (154, 121805), (170, 110341), (187, 100310), (238, 78815), (374, 50155), (385, 48722), (595, 31526), (770, 24361), (935, 20062), (1190, 15763), (1309, 14330), (1433, 13090), (1870, 10031), (2618, 7165), (2866, 6545)]