19997472

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:706

約数の個数: 96

約数和(自身を含む): 59330880

約数和(自身を除く): 39333408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 29, 32, 33, 44, 48, 58, 66, 87, 88, 96, 116, 132, 174, 176, 232, 264, 319, 348, 352, 464, 528, 638, 653, 696, 928, 957, 1056, 1276, 1306, 1392, 1914, 1959, 2552, 2612, 2784, 3828, 3918, 5104, 5224, 7183, 7656, 7836, 10208, 10448, 14366, 15312, 15672, 18937, 20896, 21549, 28732, 30624, 31344, 37874, 43098, 56811, 57464, 62688, 75748, 86196, 113622, 114928, 151496, 172392, 208307, 227244, 229856, 302992, 344784, 416614, 454488, 605984, 624921, 689568, 833228, 908976, 1249842, 1666456, 1817952, 2499684, 3332912, 4999368, 6665824, 9998736, 19997472]

約数ペア:

[(1, 19997472), (2, 9998736), (3, 6665824), (4, 4999368), (6, 3332912), (8, 2499684), (11, 1817952), (12, 1666456), (16, 1249842), (22, 908976), (24, 833228), (29, 689568), (32, 624921), (33, 605984), (44, 454488), (48, 416614), (58, 344784), (66, 302992), (87, 229856), (88, 227244), (96, 208307), (116, 172392), (132, 151496), (174, 114928), (176, 113622), (232, 86196), (264, 75748), (319, 62688), (348, 57464), (352, 56811), (464, 43098), (528, 37874), (638, 31344), (653, 30624), (696, 28732), (928, 21549), (957, 20896), (1056, 18937), (1276, 15672), (1306, 15312), (1392, 14366), (1914, 10448), (1959, 10208), (2552, 7836), (2612, 7656), (2784, 7183), (3828, 5224), (3918, 5104)]