18955320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1153}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 57330720

約数和(自身を除く): 38375400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1153, 1370, 1644, 2055, 2306, 2740, 3288, 3459, 4110, 4612, 5480, 5765, 6918, 8220, 9224, 11530, 13836, 16440, 17295, 23060, 27672, 34590, 46120, 69180, 138360, 157961, 315922, 473883, 631844, 789805, 947766, 1263688, 1579610, 1895532, 2369415, 3159220, 3791064, 4738830, 6318440, 9477660, 18955320]

約数ペア:

[(1, 18955320), (2, 9477660), (3, 6318440), (4, 4738830), (5, 3791064), (6, 3159220), (8, 2369415), (10, 1895532), (12, 1579610), (15, 1263688), (20, 947766), (24, 789805), (30, 631844), (40, 473883), (60, 315922), (120, 157961), (137, 138360), (274, 69180), (411, 46120), (548, 34590), (685, 27672), (822, 23060), (1096, 17295), (1153, 16440), (1370, 13836), (1644, 11530), (2055, 9224), (2306, 8220), (2740, 6918), (3288, 5765), (3459, 5480), (4110, 4612)]