18686528

素因数分解:

$2^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:859

約数の個数: 56

約数和(自身を含む): 43232832

約数和(自身を除く): 24546304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 212, 224, 371, 424, 448, 742, 787, 848, 1484, 1574, 1696, 2968, 3148, 3392, 5509, 5936, 6296, 11018, 11872, 12592, 22036, 23744, 25184, 41711, 44072, 50368, 83422, 88144, 166844, 176288, 291977, 333688, 352576, 583954, 667376, 1167908, 1334752, 2335816, 2669504, 4671632, 9343264, 18686528]

約数ペア:

[(1, 18686528), (2, 9343264), (4, 4671632), (7, 2669504), (8, 2335816), (14, 1334752), (16, 1167908), (28, 667376), (32, 583954), (53, 352576), (56, 333688), (64, 291977), (106, 176288), (112, 166844), (212, 88144), (224, 83422), (371, 50368), (424, 44072), (448, 41711), (742, 25184), (787, 23744), (848, 22036), (1484, 12592), (1574, 11872), (1696, 11018), (2968, 6296), (3148, 5936), (3392, 5509)]