18707940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2$

素因数の和:158

約数の個数: 108

約数和(自身を含む): 59401524

約数和(自身を除く): 40693584

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 53, 60, 74, 90, 106, 111, 148, 159, 180, 185, 212, 222, 265, 318, 333, 370, 444, 477, 530, 555, 636, 666, 740, 795, 954, 1060, 1110, 1332, 1590, 1665, 1908, 1961, 2220, 2385, 2809, 3180, 3330, 3922, 4770, 5618, 5883, 6660, 7844, 8427, 9540, 9805, 11236, 11766, 14045, 16854, 17649, 19610, 23532, 25281, 28090, 29415, 33708, 35298, 39220, 42135, 50562, 56180, 58830, 70596, 84270, 88245, 101124, 103933, 117660, 126405, 168540, 176490, 207866, 252810, 311799, 352980, 415732, 505620, 519665, 623598, 935397, 1039330, 1247196, 1558995, 1870794, 2078660, 3117990, 3741588, 4676985, 6235980, 9353970, 18707940]

約数ペア:

[(1, 18707940), (2, 9353970), (3, 6235980), (4, 4676985), (5, 3741588), (6, 3117990), (9, 2078660), (10, 1870794), (12, 1558995), (15, 1247196), (18, 1039330), (20, 935397), (30, 623598), (36, 519665), (37, 505620), (45, 415732), (53, 352980), (60, 311799), (74, 252810), (90, 207866), (106, 176490), (111, 168540), (148, 126405), (159, 117660), (180, 103933), (185, 101124), (212, 88245), (222, 84270), (265, 70596), (318, 58830), (333, 56180), (370, 50562), (444, 42135), (477, 39220), (530, 35298), (555, 33708), (636, 29415), (666, 28090), (740, 25281), (795, 23532), (954, 19610), (1060, 17649), (1110, 16854), (1332, 14045), (1590, 11766), (1665, 11236), (1908, 9805), (1961, 9540), (2220, 8427), (2385, 7844), (2809, 6660), (3180, 5883), (3330, 5618), (3922, 4770)]