19752903704

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{7529}}^1$

素因数の和:7844

約数の個数: 64

約数和(自身を含む): 39816230400

約数和(自身を除く): 20063326696

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 136, 191, 202, 382, 404, 764, 808, 1528, 1717, 3247, 3434, 6494, 6868, 7529, 12988, 13736, 15058, 19291, 25976, 30116, 38582, 60232, 77164, 127993, 154328, 255986, 327947, 511972, 655894, 760429, 1023944, 1311788, 1438039, 1520858, 2623576, 2876078, 3041716, 5752156, 6083432, 11504312, 12927293, 24446663, 25854586, 48893326, 51709172, 97786652, 103418344, 145241939, 195573304, 290483878, 580967756, 1161935512, 2469112963, 4938225926, 9876451852, 19752903704]

約数ペア:

[(1, 19752903704), (2, 9876451852), (4, 4938225926), (8, 2469112963), (17, 1161935512), (34, 580967756), (68, 290483878), (101, 195573304), (136, 145241939), (191, 103418344), (202, 97786652), (382, 51709172), (404, 48893326), (764, 25854586), (808, 24446663), (1528, 12927293), (1717, 11504312), (3247, 6083432), (3434, 5752156), (6494, 3041716), (6868, 2876078), (7529, 2623576), (12988, 1520858), (13736, 1438039), (15058, 1311788), (19291, 1023944), (25976, 760429), (30116, 655894), (38582, 511972), (60232, 327947), (77164, 255986), (127993, 154328)]