2019980768

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:676

約数の個数: 96

約数和(自身を含む): 4375044576

約数和(自身を除く): 2355063808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 97, 104, 113, 194, 208, 226, 388, 416, 443, 452, 776, 886, 904, 1261, 1469, 1552, 1772, 1808, 2522, 2938, 3104, 3544, 3616, 5044, 5759, 5876, 7088, 10088, 10961, 11518, 11752, 14176, 20176, 21922, 23036, 23504, 40352, 42971, 43844, 46072, 47008, 50059, 85942, 87688, 92144, 100118, 142493, 171884, 175376, 184288, 200236, 284986, 343768, 350752, 400472, 558623, 569972, 650767, 687536, 800944, 1117246, 1139944, 1301534, 1375072, 1601888, 2234492, 2279888, 2603068, 4468984, 4559776, 4855723, 5206136, 8937968, 9711446, 10412272, 17875936, 19422892, 20824544, 38845784, 63124399, 77691568, 126248798, 155383136, 252497596, 504995192, 1009990384, 2019980768]

約数ペア:

[(1, 2019980768), (2, 1009990384), (4, 504995192), (8, 252497596), (13, 155383136), (16, 126248798), (26, 77691568), (32, 63124399), (52, 38845784), (97, 20824544), (104, 19422892), (113, 17875936), (194, 10412272), (208, 9711446), (226, 8937968), (388, 5206136), (416, 4855723), (443, 4559776), (452, 4468984), (776, 2603068), (886, 2279888), (904, 2234492), (1261, 1601888), (1469, 1375072), (1552, 1301534), (1772, 1139944), (1808, 1117246), (2522, 800944), (2938, 687536), (3104, 650767), (3544, 569972), (3616, 558623), (5044, 400472), (5759, 350752), (5876, 343768), (7088, 284986), (10088, 200236), (10961, 184288), (11518, 175376), (11752, 171884), (14176, 142493), (20176, 100118), (21922, 92144), (23036, 87688), (23504, 85942), (40352, 50059), (42971, 47008), (43844, 46072)]