18257880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{653}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 55092960

約数和(自身を除く): 36835080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 466, 653, 699, 932, 1165, 1306, 1398, 1864, 1959, 2330, 2612, 2796, 3265, 3495, 3918, 4660, 5224, 5592, 6530, 6990, 7836, 9320, 9795, 13060, 13980, 15672, 19590, 26120, 27960, 39180, 78360, 152149, 304298, 456447, 608596, 760745, 912894, 1217192, 1521490, 1825788, 2282235, 3042980, 3651576, 4564470, 6085960, 9128940, 18257880]

約数ペア:

[(1, 18257880), (2, 9128940), (3, 6085960), (4, 4564470), (5, 3651576), (6, 3042980), (8, 2282235), (10, 1825788), (12, 1521490), (15, 1217192), (20, 912894), (24, 760745), (30, 608596), (40, 456447), (60, 304298), (120, 152149), (233, 78360), (466, 39180), (653, 27960), (699, 26120), (932, 19590), (1165, 15672), (1306, 13980), (1398, 13060), (1864, 9795), (1959, 9320), (2330, 7836), (2612, 6990), (2796, 6530), (3265, 5592), (3495, 5224), (3918, 4660)]