2019990016

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:530

約数の個数: 160

約数和(自身を含む): 4753267200

約数和(自身を除く): 2733277184

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 43, 44, 64, 76, 86, 88, 128, 152, 172, 176, 209, 256, 304, 344, 352, 418, 439, 473, 512, 608, 688, 704, 817, 836, 878, 946, 1216, 1376, 1408, 1634, 1672, 1756, 1892, 2432, 2752, 2816, 3268, 3344, 3512, 3784, 4829, 4864, 5504, 5632, 6536, 6688, 7024, 7568, 8341, 8987, 9658, 9728, 11008, 13072, 13376, 14048, 15136, 16682, 17974, 18877, 19316, 22016, 26144, 26752, 28096, 30272, 33364, 35948, 37754, 38632, 52288, 53504, 56192, 60544, 66728, 71896, 75508, 77264, 91751, 104576, 107008, 112384, 121088, 133456, 143792, 151016, 154528, 183502, 207647, 209152, 224768, 242176, 266912, 287584, 302032, 309056, 358663, 367004, 415294, 418304, 533824, 575168, 604064, 618112, 717326, 734008, 830588, 1067648, 1150336, 1208128, 1236224, 1434652, 1468016, 1661176, 2135296, 2300672, 2416256, 2472448, 2869304, 2936032, 3322352, 3945293, 4270592, 4601344, 4832512, 5738608, 5872064, 6644704, 7890586, 9665024, 11477216, 11744128, 13289408, 15781172, 22954432, 23488256, 26578816, 31562344, 45908864, 46976512, 53157632, 63124688, 91817728, 106315264, 126249376, 183635456, 252498752, 504997504, 1009995008, 2019990016]

約数ペア:

[(1, 2019990016), (2, 1009995008), (4, 504997504), (8, 252498752), (11, 183635456), (16, 126249376), (19, 106315264), (22, 91817728), (32, 63124688), (38, 53157632), (43, 46976512), (44, 45908864), (64, 31562344), (76, 26578816), (86, 23488256), (88, 22954432), (128, 15781172), (152, 13289408), (172, 11744128), (176, 11477216), (209, 9665024), (256, 7890586), (304, 6644704), (344, 5872064), (352, 5738608), (418, 4832512), (439, 4601344), (473, 4270592), (512, 3945293), (608, 3322352), (688, 2936032), (704, 2869304), (817, 2472448), (836, 2416256), (878, 2300672), (946, 2135296), (1216, 1661176), (1376, 1468016), (1408, 1434652), (1634, 1236224), (1672, 1208128), (1756, 1150336), (1892, 1067648), (2432, 830588), (2752, 734008), (2816, 717326), (3268, 618112), (3344, 604064), (3512, 575168), (3784, 533824), (4829, 418304), (4864, 415294), (5504, 367004), (5632, 358663), (6536, 309056), (6688, 302032), (7024, 287584), (7568, 266912), (8341, 242176), (8987, 224768), (9658, 209152), (9728, 207647), (11008, 183502), (13072, 154528), (13376, 151016), (14048, 143792), (15136, 133456), (16682, 121088), (17974, 112384), (18877, 107008), (19316, 104576), (22016, 91751), (26144, 77264), (26752, 75508), (28096, 71896), (30272, 66728), (33364, 60544), (35948, 56192), (37754, 53504), (38632, 52288)]