19380708

素因数分解:

$2^2\times 3^5\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 51530752

約数和(自身を除く): 32150044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 127, 157, 162, 243, 254, 314, 324, 381, 471, 486, 508, 628, 762, 942, 972, 1143, 1413, 1524, 1884, 2286, 2826, 3429, 4239, 4572, 5652, 6858, 8478, 10287, 12717, 13716, 16956, 19939, 20574, 25434, 30861, 38151, 39878, 41148, 50868, 59817, 61722, 76302, 79756, 119634, 123444, 152604, 179451, 239268, 358902, 538353, 717804, 1076706, 1615059, 2153412, 3230118, 4845177, 6460236, 9690354, 19380708]

約数ペア:

[(1, 19380708), (2, 9690354), (3, 6460236), (4, 4845177), (6, 3230118), (9, 2153412), (12, 1615059), (18, 1076706), (27, 717804), (36, 538353), (54, 358902), (81, 239268), (108, 179451), (127, 152604), (157, 123444), (162, 119634), (243, 79756), (254, 76302), (314, 61722), (324, 59817), (381, 50868), (471, 41148), (486, 39878), (508, 38151), (628, 30861), (762, 25434), (942, 20574), (972, 19939), (1143, 16956), (1413, 13716), (1524, 12717), (1884, 10287), (2286, 8478), (2826, 6858), (3429, 5652), (4239, 4572)]