18903780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1667}}^1$

素因数の和:1695

約数の個数: 120

約数和(自身を含む): 67814208

約数和(自身を除く): 48910428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1667, 1890, 2268, 2835, 3334, 3780, 5001, 5670, 6668, 8335, 10002, 11340, 11669, 15003, 16670, 20004, 23338, 25005, 30006, 33340, 35007, 45009, 46676, 50010, 58345, 60012, 70014, 75015, 90018, 100020, 105021, 116690, 135027, 140028, 150030, 175035, 180036, 210042, 225045, 233380, 270054, 300060, 315063, 350070, 420084, 450090, 525105, 540108, 630126, 675135, 700140, 900180, 945189, 1050210, 1260252, 1350270, 1575315, 1890378, 2100420, 2700540, 3150630, 3780756, 4725945, 6301260, 9451890, 18903780]

約数ペア:

[(1, 18903780), (2, 9451890), (3, 6301260), (4, 4725945), (5, 3780756), (6, 3150630), (7, 2700540), (9, 2100420), (10, 1890378), (12, 1575315), (14, 1350270), (15, 1260252), (18, 1050210), (20, 945189), (21, 900180), (27, 700140), (28, 675135), (30, 630126), (35, 540108), (36, 525105), (42, 450090), (45, 420084), (54, 350070), (60, 315063), (63, 300060), (70, 270054), (81, 233380), (84, 225045), (90, 210042), (105, 180036), (108, 175035), (126, 150030), (135, 140028), (140, 135027), (162, 116690), (180, 105021), (189, 100020), (210, 90018), (252, 75015), (270, 70014), (315, 60012), (324, 58345), (378, 50010), (405, 46676), (420, 45009), (540, 35007), (567, 33340), (630, 30006), (756, 25005), (810, 23338), (945, 20004), (1134, 16670), (1260, 15003), (1620, 11669), (1667, 11340), (1890, 10002), (2268, 8335), (2835, 6668), (3334, 5670), (3780, 5001)]