19817700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9437}}^1$

素因数の和:9461

約数の個数: 72

約数和(自身を含む): 65537472

約数和(自身を除く): 45719772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9437, 18874, 28311, 37748, 47185, 56622, 66059, 94370, 113244, 132118, 141555, 188740, 198177, 235925, 264236, 283110, 330295, 396354, 471850, 566220, 660590, 707775, 792708, 943700, 990885, 1321180, 1415550, 1651475, 1981770, 2831100, 3302950, 3963540, 4954425, 6605900, 9908850, 19817700]

約数ペア:

[(1, 19817700), (2, 9908850), (3, 6605900), (4, 4954425), (5, 3963540), (6, 3302950), (7, 2831100), (10, 1981770), (12, 1651475), (14, 1415550), (15, 1321180), (20, 990885), (21, 943700), (25, 792708), (28, 707775), (30, 660590), (35, 566220), (42, 471850), (50, 396354), (60, 330295), (70, 283110), (75, 264236), (84, 235925), (100, 198177), (105, 188740), (140, 141555), (150, 132118), (175, 113244), (210, 94370), (300, 66059), (350, 56622), (420, 47185), (525, 37748), (700, 28311), (1050, 18874), (2100, 9437)]