18869400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{953}}^1$

素因数の和:986

約数の個数: 144

約数和(自身を含む): 69203160

約数和(自身を除く): 50333760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 50, 55, 60, 66, 72, 75, 88, 90, 99, 100, 110, 120, 132, 150, 165, 180, 198, 200, 220, 225, 264, 275, 300, 330, 360, 396, 440, 450, 495, 550, 600, 660, 792, 825, 900, 953, 990, 1100, 1320, 1650, 1800, 1906, 1980, 2200, 2475, 2859, 3300, 3812, 3960, 4765, 4950, 5718, 6600, 7624, 8577, 9530, 9900, 10483, 11436, 14295, 17154, 19060, 19800, 20966, 22872, 23825, 28590, 31449, 34308, 38120, 41932, 42885, 47650, 52415, 57180, 62898, 68616, 71475, 83864, 85770, 94347, 95300, 104830, 114360, 125796, 142950, 157245, 171540, 188694, 190600, 209660, 214425, 251592, 262075, 285900, 314490, 343080, 377388, 419320, 428850, 471735, 524150, 571800, 628980, 754776, 786225, 857700, 943470, 1048300, 1257960, 1572450, 1715400, 1886940, 2096600, 2358675, 3144900, 3773880, 4717350, 6289800, 9434700, 18869400]

約数ペア:

[(1, 18869400), (2, 9434700), (3, 6289800), (4, 4717350), (5, 3773880), (6, 3144900), (8, 2358675), (9, 2096600), (10, 1886940), (11, 1715400), (12, 1572450), (15, 1257960), (18, 1048300), (20, 943470), (22, 857700), (24, 786225), (25, 754776), (30, 628980), (33, 571800), (36, 524150), (40, 471735), (44, 428850), (45, 419320), (50, 377388), (55, 343080), (60, 314490), (66, 285900), (72, 262075), (75, 251592), (88, 214425), (90, 209660), (99, 190600), (100, 188694), (110, 171540), (120, 157245), (132, 142950), (150, 125796), (165, 114360), (180, 104830), (198, 95300), (200, 94347), (220, 85770), (225, 83864), (264, 71475), (275, 68616), (300, 62898), (330, 57180), (360, 52415), (396, 47650), (440, 42885), (450, 41932), (495, 38120), (550, 34308), (600, 31449), (660, 28590), (792, 23825), (825, 22872), (900, 20966), (953, 19800), (990, 19060), (1100, 17154), (1320, 14295), (1650, 11436), (1800, 10483), (1906, 9900), (1980, 9530), (2200, 8577), (2475, 7624), (2859, 6600), (3300, 5718), (3812, 4950), (3960, 4765)]