18071970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1831}}^1$

素因数の和:1895

約数の個数: 64

約数和(自身を含む): 50651136

約数和(自身を除く): 32579166

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1831, 1974, 3290, 3662, 4935, 5493, 9155, 9870, 10986, 12817, 18310, 25634, 27465, 38451, 54930, 64085, 76902, 86057, 128170, 172114, 192255, 258171, 384510, 430285, 516342, 602399, 860570, 1204798, 1290855, 1807197, 2581710, 3011995, 3614394, 6023990, 9035985, 18071970]

約数ペア:

[(1, 18071970), (2, 9035985), (3, 6023990), (5, 3614394), (6, 3011995), (7, 2581710), (10, 1807197), (14, 1290855), (15, 1204798), (21, 860570), (30, 602399), (35, 516342), (42, 430285), (47, 384510), (70, 258171), (94, 192255), (105, 172114), (141, 128170), (210, 86057), (235, 76902), (282, 64085), (329, 54930), (470, 38451), (658, 27465), (705, 25634), (987, 18310), (1410, 12817), (1645, 10986), (1831, 9870), (1974, 9155), (3290, 5493), (3662, 4935)]