2018874715

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1303}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 2884521024

約数和(自身を除く): 865646309

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 197, 605, 715, 985, 1303, 1573, 2167, 2561, 6515, 7865, 10835, 12805, 14333, 16939, 23837, 28171, 71665, 84695, 119185, 140855, 157663, 186329, 256691, 309881, 788315, 931645, 1283455, 1549405, 2049619, 2823601, 3336983, 10248095, 14118005, 16684915, 31059611, 36706813, 155298055, 183534065, 403774943, 2018874715]

約数ペア:

[(1, 2018874715), (5, 403774943), (11, 183534065), (13, 155298055), (55, 36706813), (65, 31059611), (121, 16684915), (143, 14118005), (197, 10248095), (605, 3336983), (715, 2823601), (985, 2049619), (1303, 1549405), (1573, 1283455), (2167, 931645), (2561, 788315), (6515, 309881), (7865, 256691), (10835, 186329), (12805, 157663), (14333, 140855), (16939, 119185), (23837, 84695), (28171, 71665)]