18714780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{4951}}^1$

素因数の和:4976

約数の個数: 96

約数和(自身を含む): 66554880

約数和(自身を除く): 47840100

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, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 4951, 9902, 14853, 19804, 24755, 29706, 34657, 44559, 49510, 59412, 69314, 74265, 89118, 99020, 103971, 133677, 138628, 148530, 173285, 178236, 207942, 222795, 267354, 297060, 311913, 346570, 415884, 445590, 519855, 534708, 623826, 668385, 693140, 891180, 935739, 1039710, 1247652, 1336770, 1559565, 1871478, 2079420, 2673540, 3119130, 3742956, 4678695, 6238260, 9357390, 18714780]

約数ペア:

[(1, 18714780), (2, 9357390), (3, 6238260), (4, 4678695), (5, 3742956), (6, 3119130), (7, 2673540), (9, 2079420), (10, 1871478), (12, 1559565), (14, 1336770), (15, 1247652), (18, 1039710), (20, 935739), (21, 891180), (27, 693140), (28, 668385), (30, 623826), (35, 534708), (36, 519855), (42, 445590), (45, 415884), (54, 346570), (60, 311913), (63, 297060), (70, 267354), (84, 222795), (90, 207942), (105, 178236), (108, 173285), (126, 148530), (135, 138628), (140, 133677), (180, 103971), (189, 99020), (210, 89118), (252, 74265), (270, 69314), (315, 59412), (378, 49510), (420, 44559), (540, 34657), (630, 29706), (756, 24755), (945, 19804), (1260, 14853), (1890, 9902), (3780, 4951)]