19822740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 64162560

約数和(自身を除く): 44339820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 433, 436, 545, 654, 763, 866, 1090, 1299, 1308, 1526, 1635, 1732, 2165, 2180, 2289, 2598, 3031, 3052, 3270, 3815, 4330, 4578, 5196, 6062, 6495, 6540, 7630, 8660, 9093, 9156, 11445, 12124, 12990, 15155, 15260, 18186, 22890, 25980, 30310, 36372, 45465, 45780, 47197, 60620, 90930, 94394, 141591, 181860, 188788, 235985, 283182, 330379, 471970, 566364, 660758, 707955, 943940, 991137, 1321516, 1415910, 1651895, 1982274, 2831820, 3303790, 3964548, 4955685, 6607580, 9911370, 19822740]

約数ペア:

[(1, 19822740), (2, 9911370), (3, 6607580), (4, 4955685), (5, 3964548), (6, 3303790), (7, 2831820), (10, 1982274), (12, 1651895), (14, 1415910), (15, 1321516), (20, 991137), (21, 943940), (28, 707955), (30, 660758), (35, 566364), (42, 471970), (60, 330379), (70, 283182), (84, 235985), (105, 188788), (109, 181860), (140, 141591), (210, 94394), (218, 90930), (327, 60620), (420, 47197), (433, 45780), (436, 45465), (545, 36372), (654, 30310), (763, 25980), (866, 22890), (1090, 18186), (1299, 15260), (1308, 15155), (1526, 12990), (1635, 12124), (1732, 11445), (2165, 9156), (2180, 9093), (2289, 8660), (2598, 7630), (3031, 6540), (3052, 6495), (3270, 6062), (3815, 5196), (4330, 4578)]