18843720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22433}}^1$

素因数の和:22454

約数の個数: 64

約数和(自身を含む): 64609920

約数和(自身を除く): 45766200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22433, 44866, 67299, 89732, 112165, 134598, 157031, 179464, 224330, 269196, 314062, 336495, 448660, 471093, 538392, 628124, 672990, 785155, 897320, 942186, 1256248, 1345980, 1570310, 1884372, 2355465, 2691960, 3140620, 3768744, 4710930, 6281240, 9421860, 18843720]

約数ペア:

[(1, 18843720), (2, 9421860), (3, 6281240), (4, 4710930), (5, 3768744), (6, 3140620), (7, 2691960), (8, 2355465), (10, 1884372), (12, 1570310), (14, 1345980), (15, 1256248), (20, 942186), (21, 897320), (24, 785155), (28, 672990), (30, 628124), (35, 538392), (40, 471093), (42, 448660), (56, 336495), (60, 314062), (70, 269196), (84, 224330), (105, 179464), (120, 157031), (140, 134598), (168, 112165), (210, 89732), (280, 67299), (420, 44866), (840, 22433)]