19980168

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3767}}^1$

素因数の和:3806

約数の個数: 64

約数和(自身を含む): 56972160

約数和(自身を除く): 36991992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 3767, 5304, 7534, 11301, 15068, 22602, 30136, 45204, 48971, 64039, 90408, 97942, 128078, 146913, 192117, 195884, 256156, 293826, 384234, 391768, 512312, 587652, 768468, 832507, 1175304, 1536936, 1665014, 2497521, 3330028, 4995042, 6660056, 9990084, 19980168]

約数ペア:

[(1, 19980168), (2, 9990084), (3, 6660056), (4, 4995042), (6, 3330028), (8, 2497521), (12, 1665014), (13, 1536936), (17, 1175304), (24, 832507), (26, 768468), (34, 587652), (39, 512312), (51, 391768), (52, 384234), (68, 293826), (78, 256156), (102, 195884), (104, 192117), (136, 146913), (156, 128078), (204, 97942), (221, 90408), (312, 64039), (408, 48971), (442, 45204), (663, 30136), (884, 22602), (1326, 15068), (1768, 11301), (2652, 7534), (3767, 5304)]