19465552

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 39184992

約数和(自身を除く): 19719440

約数列:

[1, 2, 4, 8, 16, 37, 74, 131, 148, 251, 262, 296, 502, 524, 592, 1004, 1048, 2008, 2096, 4016, 4847, 9287, 9694, 18574, 19388, 32881, 37148, 38776, 65762, 74296, 77552, 131524, 148592, 263048, 526096, 1216597, 2433194, 4866388, 9732776, 19465552]

約数ペア:

[(1, 19465552), (2, 9732776), (4, 4866388), (8, 2433194), (16, 1216597), (37, 526096), (74, 263048), (131, 148592), (148, 131524), (251, 77552), (262, 74296), (296, 65762), (502, 38776), (524, 37148), (592, 32881), (1004, 19388), (1048, 18574), (2008, 9694), (2096, 9287), (4016, 4847)]