19500976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{619}}^1$

素因数の和:817

約数の個数: 40

約数和(自身を含む): 41515200

約数和(自身を除く): 22014224

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 179, 358, 619, 716, 1238, 1432, 1969, 2476, 2864, 3938, 4952, 6809, 7876, 9904, 13618, 15752, 27236, 31504, 54472, 108944, 110801, 221602, 443204, 886408, 1218811, 1772816, 2437622, 4875244, 9750488, 19500976]

約数ペア:

[(1, 19500976), (2, 9750488), (4, 4875244), (8, 2437622), (11, 1772816), (16, 1218811), (22, 886408), (44, 443204), (88, 221602), (176, 110801), (179, 108944), (358, 54472), (619, 31504), (716, 27236), (1238, 15752), (1432, 13618), (1969, 9904), (2476, 7876), (2864, 6809), (3938, 4952)]