18509988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{220357}}^1$

素因数の和:220371

約数の個数: 24

約数和(自身を含む): 49360192

約数和(自身を除く): 30850204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 220357, 440714, 661071, 881428, 1322142, 1542499, 2644284, 3084998, 4627497, 6169996, 9254994, 18509988]

約数ペア:

[(1, 18509988), (2, 9254994), (3, 6169996), (4, 4627497), (6, 3084998), (7, 2644284), (12, 1542499), (14, 1322142), (21, 881428), (28, 661071), (42, 440714), (84, 220357)]