18987570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{30139}}^1$

素因数の和:30159

約数の個数: 48

約数和(自身を含む): 56422080

約数和(自身を除く): 37434510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 30139, 60278, 90417, 150695, 180834, 210973, 271251, 301390, 421946, 452085, 542502, 632919, 904170, 1054865, 1265838, 1356255, 1898757, 2109730, 2712510, 3164595, 3797514, 6329190, 9493785, 18987570]

約数ペア:

[(1, 18987570), (2, 9493785), (3, 6329190), (5, 3797514), (6, 3164595), (7, 2712510), (9, 2109730), (10, 1898757), (14, 1356255), (15, 1265838), (18, 1054865), (21, 904170), (30, 632919), (35, 542502), (42, 452085), (45, 421946), (63, 301390), (70, 271251), (90, 210973), (105, 180834), (126, 150695), (210, 90417), (315, 60278), (630, 30139)]