19380900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 69995520

約数和(自身を除く): 50614620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 132, 140, 150, 154, 165, 175, 210, 220, 231, 275, 300, 308, 330, 350, 385, 420, 462, 525, 550, 660, 700, 770, 825, 839, 924, 1050, 1100, 1155, 1540, 1650, 1678, 1925, 2100, 2310, 2517, 3300, 3356, 3850, 4195, 4620, 5034, 5775, 5873, 7700, 8390, 9229, 10068, 11550, 11746, 12585, 16780, 17619, 18458, 20975, 23100, 23492, 25170, 27687, 29365, 35238, 36916, 41950, 46145, 50340, 55374, 58730, 62925, 64603, 70476, 83900, 88095, 92290, 110748, 117460, 125850, 129206, 138435, 146825, 176190, 184580, 193809, 230725, 251700, 258412, 276870, 293650, 323015, 352380, 387618, 440475, 461450, 553740, 587300, 646030, 692175, 775236, 880950, 922900, 969045, 1292060, 1384350, 1615075, 1761900, 1938090, 2768700, 3230150, 3876180, 4845225, 6460300, 9690450, 19380900]

約数ペア:

[(1, 19380900), (2, 9690450), (3, 6460300), (4, 4845225), (5, 3876180), (6, 3230150), (7, 2768700), (10, 1938090), (11, 1761900), (12, 1615075), (14, 1384350), (15, 1292060), (20, 969045), (21, 922900), (22, 880950), (25, 775236), (28, 692175), (30, 646030), (33, 587300), (35, 553740), (42, 461450), (44, 440475), (50, 387618), (55, 352380), (60, 323015), (66, 293650), (70, 276870), (75, 258412), (77, 251700), (84, 230725), (100, 193809), (105, 184580), (110, 176190), (132, 146825), (140, 138435), (150, 129206), (154, 125850), (165, 117460), (175, 110748), (210, 92290), (220, 88095), (231, 83900), (275, 70476), (300, 64603), (308, 62925), (330, 58730), (350, 55374), (385, 50340), (420, 46145), (462, 41950), (525, 36916), (550, 35238), (660, 29365), (700, 27687), (770, 25170), (825, 23492), (839, 23100), (924, 20975), (1050, 18458), (1100, 17619), (1155, 16780), (1540, 12585), (1650, 11746), (1678, 11550), (1925, 10068), (2100, 9229), (2310, 8390), (2517, 7700), (3300, 5873), (3356, 5775), (3850, 5034), (4195, 4620)]