19531600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 53692992

約数和(自身を除く): 34161392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 40, 44, 46, 50, 55, 80, 88, 92, 100, 110, 115, 176, 184, 193, 200, 220, 230, 253, 275, 368, 386, 400, 440, 460, 506, 550, 575, 772, 880, 920, 965, 1012, 1100, 1150, 1265, 1544, 1840, 1930, 2024, 2123, 2200, 2300, 2530, 3088, 3860, 4048, 4246, 4400, 4439, 4600, 4825, 5060, 6325, 7720, 8492, 8878, 9200, 9650, 10120, 10615, 12650, 15440, 16984, 17756, 19300, 20240, 21230, 22195, 25300, 33968, 35512, 38600, 42460, 44390, 48829, 50600, 53075, 71024, 77200, 84920, 88780, 97658, 101200, 106150, 110975, 169840, 177560, 195316, 212300, 221950, 244145, 355120, 390632, 424600, 443900, 488290, 781264, 849200, 887800, 976580, 1220725, 1775600, 1953160, 2441450, 3906320, 4882900, 9765800, 19531600]

約数ペア:

[(1, 19531600), (2, 9765800), (4, 4882900), (5, 3906320), (8, 2441450), (10, 1953160), (11, 1775600), (16, 1220725), (20, 976580), (22, 887800), (23, 849200), (25, 781264), (40, 488290), (44, 443900), (46, 424600), (50, 390632), (55, 355120), (80, 244145), (88, 221950), (92, 212300), (100, 195316), (110, 177560), (115, 169840), (176, 110975), (184, 106150), (193, 101200), (200, 97658), (220, 88780), (230, 84920), (253, 77200), (275, 71024), (368, 53075), (386, 50600), (400, 48829), (440, 44390), (460, 42460), (506, 38600), (550, 35512), (575, 33968), (772, 25300), (880, 22195), (920, 21230), (965, 20240), (1012, 19300), (1100, 17756), (1150, 16984), (1265, 15440), (1544, 12650), (1840, 10615), (1930, 10120), (2024, 9650), (2123, 9200), (2200, 8878), (2300, 8492), (2530, 7720), (3088, 6325), (3860, 5060), (4048, 4825), (4246, 4600), (4400, 4439)]