18607820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 50029056

約数和(自身を除く): 31421236

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 281, 301, 308, 385, 430, 473, 562, 602, 770, 860, 946, 1124, 1204, 1405, 1505, 1540, 1892, 1967, 2365, 2810, 3010, 3091, 3311, 3934, 4730, 5620, 6020, 6182, 6622, 7868, 9460, 9835, 12083, 12364, 13244, 15455, 16555, 19670, 21637, 24166, 30910, 33110, 39340, 43274, 48332, 60415, 61820, 66220, 84581, 86548, 108185, 120830, 132913, 169162, 216370, 241660, 265826, 338324, 422905, 432740, 531652, 664565, 845810, 930391, 1329130, 1691620, 1860782, 2658260, 3721564, 4651955, 9303910, 18607820]

約数ペア:

[(1, 18607820), (2, 9303910), (4, 4651955), (5, 3721564), (7, 2658260), (10, 1860782), (11, 1691620), (14, 1329130), (20, 930391), (22, 845810), (28, 664565), (35, 531652), (43, 432740), (44, 422905), (55, 338324), (70, 265826), (77, 241660), (86, 216370), (110, 169162), (140, 132913), (154, 120830), (172, 108185), (215, 86548), (220, 84581), (281, 66220), (301, 61820), (308, 60415), (385, 48332), (430, 43274), (473, 39340), (562, 33110), (602, 30910), (770, 24166), (860, 21637), (946, 19670), (1124, 16555), (1204, 15455), (1405, 13244), (1505, 12364), (1540, 12083), (1892, 9835), (1967, 9460), (2365, 7868), (2810, 6622), (3010, 6182), (3091, 6020), (3311, 5620), (3934, 4730)]