18511890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 47831040

約数和(自身を除く): 29319150

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 47, 57, 94, 95, 114, 141, 190, 235, 282, 285, 470, 570, 691, 705, 893, 1382, 1410, 1786, 2073, 2679, 3455, 4146, 4465, 5358, 6910, 8930, 10365, 13129, 13395, 20730, 26258, 26790, 32477, 39387, 64954, 65645, 78774, 97431, 131290, 162385, 194862, 196935, 324770, 393870, 487155, 617063, 974310, 1234126, 1851189, 3085315, 3702378, 6170630, 9255945, 18511890]

約数ペア:

[(1, 18511890), (2, 9255945), (3, 6170630), (5, 3702378), (6, 3085315), (10, 1851189), (15, 1234126), (19, 974310), (30, 617063), (38, 487155), (47, 393870), (57, 324770), (94, 196935), (95, 194862), (114, 162385), (141, 131290), (190, 97431), (235, 78774), (282, 65645), (285, 64954), (470, 39387), (570, 32477), (691, 26790), (705, 26258), (893, 20730), (1382, 13395), (1410, 13129), (1786, 10365), (2073, 8930), (2679, 6910), (3455, 5358), (4146, 4465)]