19854240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 192

約数和(自身を含む): 75479040

約数和(自身を除く): 55624800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 311, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 622, 665, 672, 760, 798, 840, 912, 933, 1064, 1120, 1140, 1244, 1330, 1520, 1555, 1596, 1680, 1824, 1866, 1995, 2128, 2177, 2280, 2488, 2660, 3040, 3110, 3192, 3360, 3732, 3990, 4256, 4354, 4560, 4665, 4976, 5320, 5909, 6220, 6384, 6531, 7464, 7980, 8708, 9120, 9330, 9952, 10640, 10885, 11818, 12440, 12768, 13062, 14928, 15960, 17416, 17727, 18660, 21280, 21770, 23636, 24880, 26124, 29545, 29856, 31920, 32655, 34832, 35454, 37320, 41363, 43540, 47272, 49760, 52248, 59090, 63840, 65310, 69664, 70908, 74640, 82726, 87080, 88635, 94544, 104496, 118180, 124089, 130620, 141816, 149280, 165452, 174160, 177270, 189088, 206815, 208992, 236360, 248178, 261240, 283632, 330904, 348320, 354540, 413630, 472720, 496356, 522480, 567264, 620445, 661808, 709080, 827260, 945440, 992712, 1044960, 1240890, 1323616, 1418160, 1654520, 1985424, 2481780, 2836320, 3309040, 3970848, 4963560, 6618080, 9927120, 19854240]

約数ペア:

[(1, 19854240), (2, 9927120), (3, 6618080), (4, 4963560), (5, 3970848), (6, 3309040), (7, 2836320), (8, 2481780), (10, 1985424), (12, 1654520), (14, 1418160), (15, 1323616), (16, 1240890), (19, 1044960), (20, 992712), (21, 945440), (24, 827260), (28, 709080), (30, 661808), (32, 620445), (35, 567264), (38, 522480), (40, 496356), (42, 472720), (48, 413630), (56, 354540), (57, 348320), (60, 330904), (70, 283632), (76, 261240), (80, 248178), (84, 236360), (95, 208992), (96, 206815), (105, 189088), (112, 177270), (114, 174160), (120, 165452), (133, 149280), (140, 141816), (152, 130620), (160, 124089), (168, 118180), (190, 104496), (210, 94544), (224, 88635), (228, 87080), (240, 82726), (266, 74640), (280, 70908), (285, 69664), (304, 65310), (311, 63840), (336, 59090), (380, 52248), (399, 49760), (420, 47272), (456, 43540), (480, 41363), (532, 37320), (560, 35454), (570, 34832), (608, 32655), (622, 31920), (665, 29856), (672, 29545), (760, 26124), (798, 24880), (840, 23636), (912, 21770), (933, 21280), (1064, 18660), (1120, 17727), (1140, 17416), (1244, 15960), (1330, 14928), (1520, 13062), (1555, 12768), (1596, 12440), (1680, 11818), (1824, 10885), (1866, 10640), (1995, 9952), (2128, 9330), (2177, 9120), (2280, 8708), (2488, 7980), (2660, 7464), (3040, 6531), (3110, 6384), (3192, 6220), (3360, 5909), (3732, 5320), (3990, 4976), (4256, 4665), (4354, 4560)]