19979376

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 55234560

約数和(自身を除く): 35255184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 48, 58, 62, 87, 93, 116, 124, 174, 186, 232, 248, 348, 372, 463, 464, 496, 696, 744, 899, 926, 1389, 1392, 1488, 1798, 1852, 2697, 2778, 3596, 3704, 5394, 5556, 7192, 7408, 10788, 11112, 13427, 14353, 14384, 21576, 22224, 26854, 28706, 40281, 43059, 43152, 53708, 57412, 80562, 86118, 107416, 114824, 161124, 172236, 214832, 229648, 322248, 344472, 416237, 644496, 688944, 832474, 1248711, 1664948, 2497422, 3329896, 4994844, 6659792, 9989688, 19979376]

約数ペア:

[(1, 19979376), (2, 9989688), (3, 6659792), (4, 4994844), (6, 3329896), (8, 2497422), (12, 1664948), (16, 1248711), (24, 832474), (29, 688944), (31, 644496), (48, 416237), (58, 344472), (62, 322248), (87, 229648), (93, 214832), (116, 172236), (124, 161124), (174, 114824), (186, 107416), (232, 86118), (248, 80562), (348, 57412), (372, 53708), (463, 43152), (464, 43059), (496, 40281), (696, 28706), (744, 26854), (899, 22224), (926, 21576), (1389, 14384), (1392, 14353), (1488, 13427), (1798, 11112), (1852, 10788), (2697, 7408), (2778, 7192), (3596, 5556), (3704, 5394)]