19378568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 40938480

約数和(自身を除く): 21559912

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 131, 164, 262, 328, 451, 524, 902, 1048, 1441, 1681, 1804, 2882, 3362, 3608, 5371, 5764, 6724, 10742, 11528, 13448, 18491, 21484, 36982, 42968, 59081, 73964, 118162, 147928, 220211, 236324, 440422, 472648, 880844, 1761688, 2422321, 4844642, 9689284, 19378568]

約数ペア:

[(1, 19378568), (2, 9689284), (4, 4844642), (8, 2422321), (11, 1761688), (22, 880844), (41, 472648), (44, 440422), (82, 236324), (88, 220211), (131, 147928), (164, 118162), (262, 73964), (328, 59081), (451, 42968), (524, 36982), (902, 21484), (1048, 18491), (1441, 13448), (1681, 11528), (1804, 10742), (2882, 6724), (3362, 5764), (3608, 5371)]