19752824

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 46717440

約数和(自身を除く): 26964616

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 631, 728, 1118, 1204, 1262, 2236, 2408, 2524, 3913, 4417, 4472, 5048, 7826, 8203, 8834, 15652, 16406, 17668, 27133, 31304, 32812, 35336, 54266, 57421, 65624, 108532, 114842, 189931, 217064, 229684, 352729, 379862, 459368, 705458, 759724, 1410916, 1519448, 2469103, 2821832, 4938206, 9876412, 19752824]

約数ペア:

[(1, 19752824), (2, 9876412), (4, 4938206), (7, 2821832), (8, 2469103), (13, 1519448), (14, 1410916), (26, 759724), (28, 705458), (43, 459368), (52, 379862), (56, 352729), (86, 229684), (91, 217064), (104, 189931), (172, 114842), (182, 108532), (301, 65624), (344, 57421), (364, 54266), (559, 35336), (602, 32812), (631, 31304), (728, 27133), (1118, 17668), (1204, 16406), (1262, 15652), (2236, 8834), (2408, 8203), (2524, 7826), (3913, 5048), (4417, 4472)]