18885900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 61246080

約数和(自身を除く): 42360180

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 59, 60, 66, 75, 97, 100, 110, 118, 132, 150, 165, 177, 194, 220, 236, 275, 291, 295, 300, 330, 354, 388, 485, 550, 582, 590, 649, 660, 708, 825, 885, 970, 1067, 1100, 1164, 1180, 1298, 1455, 1475, 1650, 1770, 1940, 1947, 2134, 2425, 2596, 2910, 2950, 3201, 3245, 3300, 3540, 3894, 4268, 4425, 4850, 5335, 5723, 5820, 5900, 6402, 6490, 7275, 7788, 8850, 9700, 9735, 10670, 11446, 12804, 12980, 14550, 16005, 16225, 17169, 17700, 19470, 21340, 22892, 26675, 28615, 29100, 32010, 32450, 34338, 38940, 48675, 53350, 57230, 62953, 64020, 64900, 68676, 80025, 85845, 97350, 106700, 114460, 125906, 143075, 160050, 171690, 188859, 194700, 251812, 286150, 314765, 320100, 343380, 377718, 429225, 572300, 629530, 755436, 858450, 944295, 1259060, 1573825, 1716900, 1888590, 3147650, 3777180, 4721475, 6295300, 9442950, 18885900]

約数ペア:

[(1, 18885900), (2, 9442950), (3, 6295300), (4, 4721475), (5, 3777180), (6, 3147650), (10, 1888590), (11, 1716900), (12, 1573825), (15, 1259060), (20, 944295), (22, 858450), (25, 755436), (30, 629530), (33, 572300), (44, 429225), (50, 377718), (55, 343380), (59, 320100), (60, 314765), (66, 286150), (75, 251812), (97, 194700), (100, 188859), (110, 171690), (118, 160050), (132, 143075), (150, 125906), (165, 114460), (177, 106700), (194, 97350), (220, 85845), (236, 80025), (275, 68676), (291, 64900), (295, 64020), (300, 62953), (330, 57230), (354, 53350), (388, 48675), (485, 38940), (550, 34338), (582, 32450), (590, 32010), (649, 29100), (660, 28615), (708, 26675), (825, 22892), (885, 21340), (970, 19470), (1067, 17700), (1100, 17169), (1164, 16225), (1180, 16005), (1298, 14550), (1455, 12980), (1475, 12804), (1650, 11446), (1770, 10670), (1940, 9735), (1947, 9700), (2134, 8850), (2425, 7788), (2596, 7275), (2910, 6490), (2950, 6402), (3201, 5900), (3245, 5820), (3300, 5723), (3540, 5335), (3894, 4850), (4268, 4425)]