19849984

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 52980480

約数和(自身を除く): 33130496

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 53, 56, 64, 76, 77, 88, 106, 112, 128, 133, 152, 154, 176, 209, 212, 224, 256, 266, 304, 308, 352, 371, 418, 424, 448, 532, 583, 608, 616, 704, 742, 836, 848, 896, 1007, 1064, 1166, 1216, 1232, 1408, 1463, 1484, 1672, 1696, 1792, 2014, 2128, 2332, 2432, 2464, 2816, 2926, 2968, 3344, 3392, 4028, 4081, 4256, 4664, 4864, 4928, 5852, 5936, 6688, 6784, 7049, 8056, 8162, 8512, 9328, 9856, 11077, 11704, 11872, 13376, 13568, 14098, 16112, 16324, 17024, 18656, 19712, 22154, 23408, 23744, 26752, 28196, 32224, 32648, 34048, 37312, 44308, 46816, 47488, 53504, 56392, 64448, 65296, 74624, 77539, 88616, 93632, 94976, 112784, 128896, 130592, 149248, 155078, 177232, 187264, 225568, 257792, 261184, 310156, 354464, 374528, 451136, 522368, 620312, 708928, 902272, 1044736, 1240624, 1417856, 1804544, 2481248, 2835712, 4962496, 9924992, 19849984]

約数ペア:

[(1, 19849984), (2, 9924992), (4, 4962496), (7, 2835712), (8, 2481248), (11, 1804544), (14, 1417856), (16, 1240624), (19, 1044736), (22, 902272), (28, 708928), (32, 620312), (38, 522368), (44, 451136), (53, 374528), (56, 354464), (64, 310156), (76, 261184), (77, 257792), (88, 225568), (106, 187264), (112, 177232), (128, 155078), (133, 149248), (152, 130592), (154, 128896), (176, 112784), (209, 94976), (212, 93632), (224, 88616), (256, 77539), (266, 74624), (304, 65296), (308, 64448), (352, 56392), (371, 53504), (418, 47488), (424, 46816), (448, 44308), (532, 37312), (583, 34048), (608, 32648), (616, 32224), (704, 28196), (742, 26752), (836, 23744), (848, 23408), (896, 22154), (1007, 19712), (1064, 18656), (1166, 17024), (1216, 16324), (1232, 16112), (1408, 14098), (1463, 13568), (1484, 13376), (1672, 11872), (1696, 11704), (1792, 11077), (2014, 9856), (2128, 9328), (2332, 8512), (2432, 8162), (2464, 8056), (2816, 7049), (2926, 6784), (2968, 6688), (3344, 5936), (3392, 5852), (4028, 4928), (4081, 4864), (4256, 4664)]